Mathematics | Maths Mcqs – 11

Officerswiki is a free education & learning platform for all students and working professionals, where they can practice multiple-choice questions & answers (MCQs). These all MCQs on Officerswiki are FreeMcqs which are helpful in all types of exams such as PPSC, FPSC, CSS, NTS,  PMS, and UPSC. 

A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is________?

A. 2 : 1
B. 3 : 1
C. 3 : 2
D. 4 : 3

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is_________?

A. 16 hours
B. 18 hours
C. 20 hours
D. 24 hours

The sum of the digits of a two-digit number is 12. The difference of the digits is 6. Find the number?

A. 93
B. 39
C. 75
D. 48
E. Either (a) or (b)

The tens digit of a two-digit number is two more than its unit digit. The two-digit number is 7 times the sum of the digits. Find the units digits?

A. 1
B. 2
C. 3
D. 4
E. None of these

Solve the equation for x : 6x – 27 + 3x = 4 + 9 – x

A. 4
B. 5
C. 6
D. -4
E. None of these

Solve the equation for x : 19(x + y) + 17 = 19(-x + y) – 21

A. -1
B. -2
C. -3
D. -4
E. None of these

The cost of 2 chairs and 3 tables is Rs.1300. The cost of 3 chairs and 2 tables is Rs.1200. The cost of each table is more than that of each chair by__________?

A. Rs.70
B. Rs.75
C. Rs.50
D. Rs.60
E. None of these

The denominator of a fraction is 1 less than twice the numerator. If the numerator and denominator are both increased by 1, the fraction becomes 3/5. Find the fraction?

A. 2/3
B. 3/5
C. 4/7
D. 5/9
E. None of these

The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?

A. Rs.849.40
B. Rs.877.40
C. Rs.901.60
D. Rs.815.20
E. None of these

A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:_________?

A. 2
B. 3
C. 4
D. 5