Mathematics Questions & Answers for Competitive Exams

231. Ramanna purchased raw materials for a certain price to manufacture a product. However, owing to shortage of labour, 22.5% of the raw materials could not be utilised and got wasted. 80% of the cost of raw materials used was added as the cost of manufacturing. If Ramanna could sell his product at a price to earn an overall profit of 20% after offering a discount of 20%, how many times of the total cost of the raw materials purchased was the marked price of the product?

(A) 2.44 times
(B) 2.42 times
(C) 2.43 times
(D) 2.40 times

232. A car covers 20 km in the first quarter of an hour, 25 km in the second quarter of that hour and 15 km in the third quarter. The average speed of the car (in km/h) over the entire journey is:

(A) 70
(B) 75
(C) 80
(D) 65

233. In ∆ABC, AD is the internal bisector of ∠A, meeting the side BC at D. If BD = 5 cm, BC = 7.5 cm, then AB : AC is:

(A) 1 : 2
(B) 1 : 3
(C) 3 : 1
(D) 2 : 1

234. If sec 6A = cosec (A – 29°), where 2A is an acute angle, then the measure of ∠A = ___°.

(A) 18
(B) 17
(C) 21
(D) 19

235. A person borrowed ₹ 1760 at 6% per annum and ₹ 2240 at 9% per annum at simple interest for the same period. He had to pay ₹ 1536 in all as interest. Find the time (in years).

(A) 3
(B) 4
(C) 5
(D) 2

236. In an election between two candidates, one got 60% of the total valid votes. 25% of the votes were invalid. If the total number of votes was 15,000, then find the number of valid votes that the other candidate got.

(A) 5,550
(B) 4,500
(C) 6,750
(D) 5,000

237. The following table shows the classification of 100 students based on the marks obtained by them in Maths and Science in an examination. What is the difference between the number of students who passed with 60 as cut-off marks in Science and those who passed with 60 as cut-off marks in aggregate?

(A) 6
(B) 3
(C) 4
(D) 5

238. 57% of Ranita’s weekly income is equal to 76% of Bhaskar’s weekly income. If Ranita’s weekly income was reduced by ₹400, while Bhaskar’s weekly income did not change, the ratio of the weekly incomes of Ranita and Bhaskar, respectively, would have been 6 : 5. What is Bhaskar’s weekly income (in ₹)?

(A) 2800
(B) 4000
(C) 3000
(D) 3200 Section : Quantitative Aptitude

239. Two numbers are in the ratio of 3 : 7. If 11 is subtracted from each, the ratio between the numbers becomes 7 : 20. Find the smaller number.

(A) 39
(B) 21
(C) 36
(D) 27

240. The volume of rectangular block is 12288 m³. Its dimension are in the ratio of 4 : 3: 2. If the entire surface is polished at the rate 2 paise per m²,then find the total cost of polishing

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

Total Quizz:- 2541

Mathematics

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232. A car covers 20 km in the first quarter of an hour, 25 km in the second quarter of that hour and 15 km in the third quarter. The average speed of the car (in km/h) over the entire journey is:

233. In ∆ABC, AD is the internal bisector of ∠A, meeting the side BC at D. If BD = 5 cm, BC = 7.5 cm, then AB : AC is:

234. If sec 6A = cosec (A – 29°), where 2A is an acute angle, then the measure of ∠A = ___°.

235. A person borrowed ₹ 1760 at 6% per annum and ₹ 2240 at 9% per annum at simple interest for the same period. He had to pay ₹ 1536 in all as interest. Find the time (in years).

236. In an election between two candidates, one got 60% of the total valid votes. 25% of the votes were invalid. If the total number of votes was 15,000, then find the number of valid votes that the other candidate got.

239. Two numbers are in the ratio of 3 : 7. If 11 is subtracted from each, the ratio between the numbers becomes 7 : 20. Find the smaller number.

240. The volume of rectangular block is 12288 m³. Its dimension are in the ratio of 4 : 3: 2. If the entire surface is polished at the rate 2 paise per m²,then find the total cost of polishing

Total Quizz:- 2541

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232. A car covers 20 km in the first quarter of an hour, 25 km in the second quarter of that hour and 15 km in the third quarter. The average speed of the car (in km/h) over the entire journey is:

233. In ∆ABC, AD is the internal bisector of ∠A, meeting the side BC at D. If BD = 5 cm, BC = 7.5 cm, then AB : AC is:

234. If sec 6A = cosec (A – 29°), where 2A is an acute angle, then the measure of ∠A = ___°.

235. A person borrowed ₹ 1760 at 6% per annum and ₹ 2240 at 9% per annum at simple interest for the same period. He had to pay ₹ 1536 in all as interest. Find the time (in years).

236. In an election between two candidates, one got 60% of the total valid votes. 25% of the votes were invalid. If the total number of votes was 15,000, then find the number of valid votes that the other candidate got.

239. Two numbers are in the ratio of 3 : 7. If 11 is subtracted from each, the ratio between the numbers becomes 7 : 20. Find the smaller number.

240. The volume of rectangular block is 12288 m³. Its dimension are in the ratio of 4 : 3: 2. If the entire surface is polished at the rate 2 paise per m²,then find the total cost of polishing

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams