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Jagan Rawat March 21 2022

In an exam, the average was found to be 60 marks. After it was found that marks of 10 candidates were wrongly written 50 in place of 70 and after correction the average became 65. The total number of candidates who took the exam are ? a) 45 b) 40 c) 35 d) 30

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Jagan Rawat March 21 2022

Three letters are written to three persons and addresses on the envelopes are also written. One letter is placed randomly in each envelope. The chances that the letters go into right envelopes are ? a) 1/9 b) 1/6 c) 1/27 d) None of these

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Jagan Rawat March 21 2022

The number of six digit numbers that can be formed using three digits 0, 1, 2, is ? a) 36 b) 2 × 35 c) 35 d) None of these

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Jagan Rawat March 21 2022

ABCD is a rectangle where the ratio of the lengths AB and BC is 3:2. If P is the midpoint of AB then the value of sin of angle CPB is ? a) 2/3 b) 2/5 c) 3/5 d) 4/5

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Jagan Rawat March 21 2022

Three unbiased coins are tossed. What is the probability of getting at most two heads ? a) 7/8 b) 3/8 c) 1 /4 d) 3/4

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Jagan Rawat March 21 2022

A is twice as fast a workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work ? a) 54 b) 68 c) 56 d) 27

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Jagan Rawat March 21 2022

The angle of elevation of the sun, when the length of the shadow of a tree √3 times the height of the tree, is how much ? a) 60º b) 75º c) 30º d) 45

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Jagan Rawat March 21 2022

On a shelf, 2 different books of Geology, 2 different books of Sociology and 5 different books of Economics are to be arranged so that the books of any subject are to be together. In how many ways can this be done ? a) 900 b) 90 c) 2880 d) 3846

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Jagan Rawat March 21 2022

In a ΔABC, AB = 3 cm, BC = 6 cm and CA = 5 cm. The bisector of angle A meets BC at D. The length of BD is ? a) 2.25 cm b) 2 cm c) 2.5 cm d) 3 cm

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Swati March 21 2022

On a railway line there are 20 stops. A ticket is needed to travel between any two stops. How many different tickets can be prepared to cater to all the travel possibilities ? a) 380 b) 760 c) 190 d) 72

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Swati March 21 2022

A and B are two independent events where P(A ∪ B) = 0.7 and P(A) = 0.4. What is the value of P(B) ? a) 0.3 b) 0.5 c) 0.6 d) 0.7

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Swati March 21 2022

The courier charges for sending packages to a certain destination are Rs. 65 for the first 250 gms and Rs. 10 for each additional 100 grams of part thereof. If the charge for a package is Rs. 155, what could be its weight in grams ? a) 1155 b) 1145 c) 1040 d) 950

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Swati March 21 2022

A and B can together complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work ? a) 7 days b) 6 days c) 4 days d) 5 days

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Swati March 21 2022

The lengths of three perpendiculars from a point inside an equilateral triangle on the three sides are 16 cm, 25 cm and 28 cm. The area of the triangle (in cm2 ) will be ? a) 1587√3 b) 1587 c) 2116 d) 2116√3

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Swati March 21 2022

Simplify the expression: b – [b – (a + b) – {b – (b – a + b)} + 2a] a) a b) 4a c) 0 d) 2a

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Swati March 21 2022

If the ratio of an external angle and an internal angle of a regular polygon is 1:17, the number of sides of the regular polygon is ? a) 18 b) 12 c) 36 d) 20

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Swati March 21 2022

A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work ? a) 54 b) 68 c) 56 d) 27

#Quantitative Aptitude

0 Answers

Rishabh March 21 2022

Two dice are tossed once. The probability of getting an even number on the first die or a total of 8 is ? a) 1/36 b) 3/36 c) 11/36 d) None of the above

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Rishabh March 21 2022

What geometric figure does the equation x^2 + y – 5x + 10 = 0 represent ? a) Straight Line b) Circle c) Parabola d) None of these

#Quantitative Aptitude

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Rishabh March 21 2022

The existence of the unique solution of the following system of equation depends on: x + y + z = α 5x – y + δz = 10 2x + 3y – z = 6 a) Both δ and α b) δ c) α d) Neither δ nor α

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In an exam, the average was found to be 60 marks. After it was found that marks of 10 candidates were wrongly written 50 in place of 70 and after correction the average became 65. The total number of candidates who took the exam are ? a) 45 b) 40 c) 35 d) 30

Three letters are written to three persons and addresses on the envelopes are also written. One letter is placed randomly in each envelope. The chances that the letters go into right envelopes are ? a) 1/9 b) 1/6 c) 1/27 d) None of these

The number of six digit numbers that can be formed using three digits 0, 1, 2, is ? a) 36 b) 2 × 35 c) 35 d) None of these

ABCD is a rectangle where the ratio of the lengths AB and BC is 3:2. If P is the midpoint of AB then the value of sin of angle CPB is ? a) 2/3 b) 2/5 c) 3/5 d) 4/5

Three unbiased coins are tossed. What is the probability of getting at most two heads ? a) 7/8 b) 3/8 c) 1 /4 d) 3/4

A is twice as fast a workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work ? a) 54 b) 68 c) 56 d) 27

The angle of elevation of the sun, when the length of the shadow of a tree √3 times the height of the tree, is how much ? a) 60º b) 75º c) 30º d) 45

On a shelf, 2 different books of Geology, 2 different books of Sociology and 5 different books of Economics are to be arranged so that the books of any subject are to be together. In how many ways can this be done ? a) 900 b) 90 c) 2880 d) 3846

In a ΔABC, AB = 3 cm, BC = 6 cm and CA = 5 cm. The bisector of angle A meets BC at D. The length of BD is ? a) 2.25 cm b) 2 cm c) 2.5 cm d) 3 cm

On a railway line there are 20 stops. A ticket is needed to travel between any two stops. How many different tickets can be prepared to cater to all the travel possibilities ? a) 380 b) 760 c) 190 d) 72

A and B are two independent events where P(A ∪ B) = 0.7 and P(A) = 0.4. What is the value of P(B) ? a) 0.3 b) 0.5 c) 0.6 d) 0.7

The courier charges for sending packages to a certain destination are Rs. 65 for the first 250 gms and Rs. 10 for each additional 100 grams of part thereof. If the charge for a package is Rs. 155, what could be its weight in grams ? a) 1155 b) 1145 c) 1040 d) 950

A and B can together complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work ? a) 7 days b) 6 days c) 4 days d) 5 days

The lengths of three perpendiculars from a point inside an equilateral triangle on the three sides are 16 cm, 25 cm and 28 cm. The area of the triangle (in cm2 ) will be ? a) 1587√3 b) 1587 c) 2116 d) 2116√3

Simplify the expression: b – [b – (a + b) – {b – (b – a + b)} + 2a] a) a b) 4a c) 0 d) 2a

If the ratio of an external angle and an internal angle of a regular polygon is 1:17, the number of sides of the regular polygon is ? a) 18 b) 12 c) 36 d) 20

A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work ? a) 54 b) 68 c) 56 d) 27

Two dice are tossed once. The probability of getting an even number on the first die or a total of 8 is ? a) 1/36 b) 3/36 c) 11/36 d) None of the above

What geometric figure does the equation x^2 + y – 5x + 10 = 0 represent ? a) Straight Line b) Circle c) Parabola d) None of these

The existence of the unique solution of the following system of equation depends on: x + y + z = α 5x – y + δz = 10 2x + 3y – z = 6 a) Both δ and α b) δ c) α d) Neither δ nor α

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