Mathematics Questions & Answers for Competitive Exams

141. In how many years will ₹2,500 be invested at the rate of 12% per annum simple interest, which amounts to ₹4,900?

(A) 2
(B) 8
(C) 6
(D) 4

142. S drives his car and covers 37 km and 500 m in 90 minutes. What is his average speed (in km/h)?

(A) 25
(B) 22.5
(C) 40
(D) 20

143. Simplify [25 - ( - 4){9 - (6 - 2)}] ÷ [3 × {6 + ( - 3) × ( - 3)}].

(A) 2
(B) 6
(C) 1
(D) 4

144. Two trains 230 m and 270 m long are running in opposite directions at speeds of 42 km/h and 48 km/h, respectively. They cross each other in:

(A) 30 seconds
(B) 22 seconds
(C) 20 seconds
(D) 25 seconds

145. Of the three angles of a triangle, one is twice the smallest and another one is thrice the smallest. Find the value of the smallest angle.

(A) 65°
(B) 30°
(C) 60°
(D) 45°

146. Find the natural number obtained when the number 13 is subtracted from the mean proportional of 75 and 12.

(A) 14
(B) 30
(C) 27
(D) 17

147. A reduction of 7.5% in the cost price of a commodity enables a shopkeeper to purchase 15 kg more than what he previously purchased for a sum of ₹7,400. In order to make a profit of 32.5% on the pre-reduction cost price of the commodity, at what price (in ₹) per kg should the commodity be sold?

(A) 54
(B) 53
(C) 52
(D) 51

148. A and B together can complete a piece of work in 25 days, B and C together can complete the same piece of work in 36 days, while C and A together can complete it in 30 days. If A, B, C, and D together can complete this piece of work in 18 days, then in how many days can D alone complete this piece of work?

(A) 225
(B) 210
(C) 200
(D) 180

149. A sum of ₹17,600 was divided between Jeevan, Praveen and Kanan, such that the ratio of the sums received by Jeevan and Praveen was 5 : 8, while the ratio of the sums received by Praveen and Kanan was 3 : 2. How much money did Jeevan receive as his share?

(A) ₹4,900
(B) ₹4,750
(C) ₹4,850
(D) ₹4,800

150. Anwesha's marks in a class text of Sanskrit were incorrectly entered as 99 instead of 66. If there are 55 students in the class, then what is the increment in the average marks of the class in Sanskrit because of this typing error?

(A) 0.2
(B) 0.8
(C) 0.4
(D) 0.6

Total Quizz:- 2541

Mathematics

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141. In how many years will ₹2,500 be invested at the rate of 12% per annum simple interest, which amounts to ₹4,900?

142. S drives his car and covers 37 km and 500 m in 90 minutes. What is his average speed (in km/h)?

143. Simplify [25 - ( - 4){9 - (6 - 2)}] ÷ [3 × {6 + ( - 3) × ( - 3)}].

144. Two trains 230 m and 270 m long are running in opposite directions at speeds of 42 km/h and 48 km/h, respectively. They cross each other in:

145. Of the three angles of a triangle, one is twice the smallest and another one is thrice the smallest. Find the value of the smallest angle.

146. Find the natural number obtained when the number 13 is subtracted from the mean proportional of 75 and 12.

149. A sum of ₹17,600 was divided between Jeevan, Praveen and Kanan, such that the ratio of the sums received by Jeevan and Praveen was 5 : 8, while the ratio of the sums received by Praveen and Kanan was 3 : 2. How much money did Jeevan receive as his share?

150. Anwesha's marks in a class text of Sanskrit were incorrectly entered as 99 instead of 66. If there are 55 students in the class, then what is the increment in the average marks of the class in Sanskrit because of this typing error?

Total Quizz:- 2541

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141. In how many years will ₹2,500 be invested at the rate of 12% per annum simple interest, which amounts to ₹4,900?

142. S drives his car and covers 37 km and 500 m in 90 minutes. What is his average speed (in km/h)?

143. Simplify [25 - ( - 4){9 - (6 - 2)}] ÷ [3 × {6 + ( - 3) × ( - 3)}].

144. Two trains 230 m and 270 m long are running in opposite directions at speeds of 42 km/h and 48 km/h, respectively. They cross each other in:

145. Of the three angles of a triangle, one is twice the smallest and another one is thrice the smallest. Find the value of the smallest angle.

146. Find the natural number obtained when the number 13 is subtracted from the mean proportional of 75 and 12.

149. A sum of ₹17,600 was divided between Jeevan, Praveen and Kanan, such that the ratio of the sums received by Jeevan and Praveen was 5 : 8, while the ratio of the sums received by Praveen and Kanan was 3 : 2. How much money did Jeevan receive as his share?

150. Anwesha's marks in a class text of Sanskrit were incorrectly entered as 99 instead of 66. If there are 55 students in the class, then what is the increment in the average marks of the class in Sanskrit because of this typing error?

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams