A. 300 km
B. 290 km
C. 250 km
D. 240 km
✅ The correct answer is option B. 290 km.
Total distance = (120*2) + (100*(1/2)) = 290 km
Total distance = (120*2) + (100*(1/2)) = 290 km
Mathematics MCQs
If x% of 200=y% of 250, find y:x.
A. 5:4
B. 5:2
C. 2:5
D. 4:5
✅ The correct answer is option D. 4:5.
(x/100)*200 = (y/100)*250 y/x = 20/25 = 4/5 y_x=4:5
(x/100)*200 = (y/100)*250 y/x = 20/25 = 4/5 y_x=4:5
A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
A. 4/9
B. 5/9
C. 7/9
D. 8/9
✅ The correct answer is option B. 5/9.
A, B, C and D enter into partnership. A subscribes 1/3 of the capital B 1/4, C 1/5 and D the rest. How much share did A get in a profit of Rs.2460?
A. Rs.480
B. Rs.615
C. Rs.820
D. Rs.740
✅ The correct answer is option C. Rs.820.
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
A. 62/63
B. 125/126
C. 1/63
D. 1/126
✅ The correct answer is option D. 1/126.
What percent of 120 are 90?
A. 25%
B. 50%
C. 75%
D. 33%
✅ The correct answer is option C. 75%.
Find the amount on Rs.5000 in 2 years, the rate of interest being 4% per first year and 5% for the second year?
A. Rs.460
B. Rs.5640
C. Rs.5460
D. Rs.5604
✅ The correct answer is option C. Rs.5460.
79.98 / 12.51 * 2.49 = ______?
A. 12
B. 14
C. 16
D. 18
✅ The correct answer is option C. 16.
In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?
A. Rs.5000
B. Rs.4600
C. Rs.5400
D. Rs.2300
✅ The correct answer is option C. Rs.5400.
100x + 400 = 12(x – 5)
100x + 400 = 12(x – 5)
A boy goes to his school from his house at a speed of 3 km / hr and returns at a speed of 2 km / hr. If he takes 5 hours in going and coming, the distance between his house and school is :___________?
A. 5 km
B. 5.5 km
C. 6 km
D. 6.5 km
✅ The correct answer is option C. 6 km.
Average speed = ( 2 X 3 X 2/3 + 2 ) km/ hr = 12/5 km/ hr. Distance travelled = ( 12/5 X 5 )km = 12 km. So Distance between house and school = ( 12/2 )km = 6 km.
Average speed = ( 2 X 3 X 2/3 + 2 ) km/ hr = 12/5 km/ hr. Distance travelled = ( 12/5 X 5 )km = 12 km. So Distance between house and school = ( 12/2 )km = 6 km.