If 3 men with 4 boys can earn Rs.210 in 7 days and 11 men with 13 boys can earn Rs.810 on 8 days in what time will men with 9 days earn Rs.1100?
(a) 6 days
(b) 10 days
(c) 12 days
(d) 16 days
Basic Mathematics MCQs
A garrison of 500 men had provisions for 24 days. However reinforcement of 300 men arrived. The food will now last for:
(a) 18 days
(b) 15 days
(c) 17 1/2 days
(d) 16 days
A can do a piece of work in 24 days which B can do it in 16 days. With the help of C, they finish the work in 8 days. C alone can do the work in:
(a) 48 days
(b) 36 days
(c) 32 days
(d) 40 days
What is the ratio whose terms differ by 40 and the measure of which is 2/7
(a) 16:56
(b) 14:56
(c) 15:56
(d) 16:72
A certain number when divided by 899 gives a remainder 63. What is the remainder when the same number is divided by 29?
(a) 25
(b) 5
(c) 27
(d) 31
A train covers 180 km. distance in 4 hours. Another train covers the same distance in 1 hour less. What is the difference in the distances covered by these trains in one hour?
(a) 45 km
(b) 40 km
(c) 9 km
(d) 15 km
At present, father’s age is 4 times his son’s age. If 5 years back, father’s age was 35 years, what is son’s present age, in years?
(a) 10
(b) 12
(c) 15
(d) 20
Sum of the ages of A and B at present is 7 times the difference in their age. After five years, the sum of their ages will be 9 times the difference in their ages. The present age of the elder of the two is therefore …………
(a) 10 years
(b) 20 years
(c) 35 years
(d) none of these
The average age of A, B and C is 17 years. If A is replaced by D, the average age of the group increased to 2. So the age of D is ……….
(a) 19
(b) 20
(c) 21
(d) None of these
R and S start walking forwards each other at 10 a.m. at speed of 3 km per hour and 4 km per hour respectively. They were initially 17.5 km apart. At what time do they meet?
(a) 2.30 p.m.
(b) 1.30 p.m.
(c) 11.30 a.m
(d) 12.30 p.m.