Mathematics Questions & Answers for Competitive Exams

1981. A solid copper sphere of radius 9 cm is drawn into a wire of radius 4 mm. Find the length of the wire.

(A) 60.75 m
(B) 70.25 m
(C) 65.25 m
(D) 20.75 m

1982. The sum of two−digit number and the number obtained by interchanging the digit is 77. If the difference of digits is 1, then the number is:

(A) 67
(B) 45
(C) 34
(D) 12

1983. Raju spends 80% of his income. His income increased by 20%, while his spending rise by 10%. The percentage of increase in his savings is:

(A)
(B)
(C)
(D)

1984. A chord of length 12 units in a circle of radius 10 units is ______ units away from its centre.

(A) 8
(B) 9
(C) 10
(D) 6

1985. An equal sum of money was lent to P and Q at 8.6% per annum for a period of 7 years and 8 years, respectively. If the difference in interest paid by them was ₹172, then the sum lent to each was:

(A) ₹3,000
(B) ₹2,150
(C) ₹185
(D) ₹2,000

1986. If a : b = 3 : 4, b : c = 2 : 3, and c : d = 5 : 6, then a : b : c : d is:

(A)
(B)
(C)
(D)

1987. In triangle XYZ, XY = YZ and m∠X = 78°. Find the value of m∠Y.

(A) 28°
(B) 24°
(C) 34°
(D) 39°

1988. ∆ABC is similar to ∆DEF and the ratio of the area of triangle ABC to triangle DEF is 25 ∶ 144. If AB = p cm,AC = q cm and BC = r cm,then DE = ?

(A)
(B)
(C)
(D)

1989. Ravath had to sell vegetables worth ₹4,960 for ₹4,712 due to weather conditions. What is the loss percentage that he has incurred?

(A) 20%
(B) 10%
(C) 5%
(D) 15%

1990. The difference between 31% and 26% of votes for the same party at different places is 2350. What is 7% of those votes?

(A) 2270
(B) 3090
(C) 4090
(D) 3290

Total Quizz:- 2541

Mathematics

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1981. A solid copper sphere of radius 9 cm is drawn into a wire of radius 4 mm. Find the length of the wire.

1982. The sum of two−digit number and the number obtained by interchanging the digit is 77. If the difference of digits is 1, then the number is:

1983. Raju spends 80% of his income. His income increased by 20%, while his spending rise by 10%. The percentage of increase in his savings is:

1984. A chord of length 12 units in a circle of radius 10 units is ______ units away from its centre.

1985. An equal sum of money was lent to P and Q at 8.6% per annum for a period of 7 years and 8 years, respectively. If the difference in interest paid by them was ₹172, then the sum lent to each was:

1986. If a : b = 3 : 4, b : c = 2 : 3, and c : d = 5 : 6, then a : b : c : d is:

1987. In triangle XYZ, XY = YZ and m∠X = 78°. Find the value of m∠Y.

1988. ∆ABC is similar to ∆DEF and the ratio of the area of triangle ABC to triangle DEF is 25 ∶ 144. If AB = p cm,AC = q cm and BC = r cm,then DE = ?

1989. Ravath had to sell vegetables worth ₹4,960 for ₹4,712 due to weather conditions. What is the loss percentage that he has incurred?

1990. The difference between 31% and 26% of votes for the same party at different places is 2350. What is 7% of those votes?

Total Quizz:- 2541

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1981. A solid copper sphere of radius 9 cm is drawn into a wire of radius 4 mm. Find the length of the wire.

1982. The sum of two−digit number and the number obtained by interchanging the digit is 77. If the difference of digits is 1, then the number is:

1983. Raju spends 80% of his income. His income increased by 20%, while his spending rise by 10%. The percentage of increase in his savings is:

1984. A chord of length 12 units in a circle of radius 10 units is ______ units away from its centre.

1985. An equal sum of money was lent to P and Q at 8.6% per annum for a period of 7 years and 8 years, respectively. If the difference in interest paid by them was ₹172, then the sum lent to each was:

1986. If a : b = 3 : 4, b : c = 2 : 3, and c : d = 5 : 6, then a : b : c : d is:

1987. In triangle XYZ, XY = YZ and m∠X = 78°. Find the value of m∠Y.

1988. ∆ABC is similar to ∆DEF and the ratio of the area of triangle ABC to triangle DEF is 25 ∶ 144. If AB = p cm,AC = q cm and BC = r cm,then DE = ?

1989. Ravath had to sell vegetables worth ₹4,960 for ₹4,712 due to weather conditions. What is the loss percentage that he has incurred?

1990. The difference between 31% and 26% of votes for the same party at different places is 2350. What is 7% of those votes?

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams