Mathematics Questions & Answers for Competitive Exams

161. In alloys A and B, the ratio of lead to tin is 5 : 3 and 3 : 1, respectively. 80 kg of alloy A and 100 kg of alloy B are mixed together to form a new alloy. What is the amount of tin (in kg) in the new alloy?

(A) 90
(B) 55
(C) 68
(D) 81.3

162. Mitu can do a piece of work in 12 hours, Titu and Situ together in 2 hours, and Mitu and Situ together in 3 hours. How long will Titu alone take to do it?

(A) 7 hours
(B) 8 hours
(C) 4 hours
(D) 6 hours

163. The ratio of marks of A and B is 3 : 4 and the ratio of marks of B and C is 4 : 5. If the difference in the marks of C and A is 30, then how much marks does B get?

(A) 52
(B) 64
(C) 60
(D) 56

164. In a store, an item with marked price of ₹82,500 is available at a discounted price of ₹79,200. What is the percentage of discount given on that item?

(A) 4%
(B) 3%
(C) 1%
(D) 2%

165. Study the given table and answer the question that follows. The table shows the number of students in various courses in various cities A, B, C, D and E in India during the academic year 2022-2023. In all the cities altogether, what is the difference between the students of science and those of MBA?

(A) 4540
(B) 4340
(C) 4440
(D) 4240

166. Study the given table and answer the question that follows. The table shows the number of students in various courses in various cities A, B, C, D and E in India during the academic year 2022-2023. What was the average number of students in Science course in the all the cities altogether during the academic year 2022- 2023?

(A) 2250
(B) 2240
(C) 2220
(D) 2200

167. The value of (42)2 + 4 × 4 ÷ 4 − 4 is:

(A) 44
(B) 43
(C) 42
(D) 40

168. Simplify 22 × 10 ÷ 5 × 2 + 12.

(A) 103
(B) 102
(C) 100
(D) 101

169. Two similar triangles of ΔXYZ and ΔLMN. If area of (ΔXYZ) = 16 cm2, area of (ΔLMN) = 25 cm2 and YZ = 2.4 cm, then the measure of MN is:

(A) 1 cm
(B) 3 cm
(C) 2 cm
(D) 4 cm

170. Simplify 35 - [30 + {10 + (12 - 10 - 4)}].

(A) −3
(B) 2
(C) −2
(D) 3

Total Quizz:- 2541

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161. In alloys A and B, the ratio of lead to tin is 5 : 3 and 3 : 1, respectively. 80 kg of alloy A and 100 kg of alloy B are mixed together to form a new alloy. What is the amount of tin (in kg) in the new alloy?

162. Mitu can do a piece of work in 12 hours, Titu and Situ together in 2 hours, and Mitu and Situ together in 3 hours. How long will Titu alone take to do it?

163. The ratio of marks of A and B is 3 : 4 and the ratio of marks of B and C is 4 : 5. If the difference in the marks of C and A is 30, then how much marks does B get?

164. In a store, an item with marked price of ₹82,500 is available at a discounted price of ₹79,200. What is the percentage of discount given on that item?

167. The value of (42)2 + 4 × 4 ÷ 4 − 4 is:

168. Simplify 22 × 10 ÷ 5 × 2 + 12.

169. Two similar triangles of ΔXYZ and ΔLMN. If area of (ΔXYZ) = 16 cm2, area of (ΔLMN) = 25 cm2 and YZ = 2.4 cm, then the measure of MN is:

170. Simplify 35 - [30 + {10 + (12 - 10 - 4)}].

Total Quizz:- 2541

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161. In alloys A and B, the ratio of lead to tin is 5 : 3 and 3 : 1, respectively. 80 kg of alloy A and 100 kg of alloy B are mixed together to form a new alloy. What is the amount of tin (in kg) in the new alloy?

162. Mitu can do a piece of work in 12 hours, Titu and Situ together in 2 hours, and Mitu and Situ together in 3 hours. How long will Titu alone take to do it?

163. The ratio of marks of A and B is 3 : 4 and the ratio of marks of B and C is 4 : 5. If the difference in the marks of C and A is 30, then how much marks does B get?

164. In a store, an item with marked price of ₹82,500 is available at a discounted price of ₹79,200. What is the percentage of discount given on that item?

167. The value of (42)2 + 4 × 4 ÷ 4 − 4 is:

168. Simplify 22 × 10 ÷ 5 × 2 + 12.

169. Two similar triangles of ΔXYZ and ΔLMN. If area of (ΔXYZ) = 16 cm2, area of (ΔLMN) = 25 cm2 and YZ = 2.4 cm, then the measure of MN is:

170. Simplify 35 - [30 + {10 + (12 - 10 - 4)}].

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams