A. 4
B. 5
C. 6
D. -4
✅ The correct answer is option A. 4.
Mathematics MCQs
3648.24 + 364.824 / ? – 36.4824 = 3794.1696
A. 2
B. 3
C. 4
D. 5
✅ The correct answer is option A. 2.
The roots of the equation 3×2 – 12x + 10 = 0 are?
A. rational and unequal
B. complex
C. real and equal
D. irrational and unequal
✅ The correct answer is option D. irrational and unequal.
A discount series of 10%, 20% and 40% is equal to a single discount of:_________?
A. 50%
B. 56.8%
C. 60%
D. 70.28%
✅ The correct answer is option B. 56.8%.
The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. If both Type 1 and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is:_______?
A. Rs. 18
B. Rs. 18.50
C. Rs. 19
D. Rs. 19.50
✅ The correct answer is option A. Rs. 18.
How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A. 2 years
B. 3 years
C. 1 year
D. 4 years
✅ The correct answer is option A. 2 years.
P = Rs.900
P = Rs.900
SI = Rs.81
T = ?
R = 4.5%
T=100×SI/PR =100*81/900*4.5 =2 years
A boy has nine trousers and 12 shirts. In how many different ways can he select a trouser and a shirt?
A. 21
B. 12
C. 9
D. 108
✅ The correct answer is option D. 108.
The boy can select one trouser in nine ways.
The boy can select one trouser in nine ways.
In what ratio must water be mixed with milk to gain 16 2/3 % by selling the mixture at cost price?
A. 1:6
B. 2:3
C. 4:3
D. 6:1
✅ The correct answer is option A. 1:6.
The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is___________?
A. 45
B. 50
C. 51.4 approx.
D. 54.6 approx.
✅ The correct answer is option C. 51.4 approx..
The length of a rope by which a cow must be tethered in order that she may be able to graze an area of 9856 sq.m is:________?
A. 56m
B. 64m
C. 88m
D. 168m
✅ The correct answer is option A. 56m.