Mathematics mcqs

two number is first increased by 10 % and then reduced by 10 % the number:----------?

two natural numbers whose sum is 72 cannot be in the ratio:

two kinds of rice, 1st costs rs.13 per kg and 2nd costs rs.19 per kg are mixed together.

two cylinders are of the same height. their radii are in the ratio 1: 3. if the volume of the first cylinder is 40 cc.

two boys starts from the same place walking at the rate of 5 kmph and 5.5 kmph respectively in the same direction.

two bikes start at the same time from two destination 300 km apart and travel towards each other.

two automobiles are 150 kilometers apart and traveling toward each other. one automobile is moving at 60km/h and the other is moving at 40km/h mph.

twenty women can do a work in sixteen days. sixteen men can complete the same work in fifteen days.

twelve people from a club, by picking lots. one of them will host a dinner for all once in a month.

twelve men can do a work in twenty days while twenty women can finish the same work in sixteen days.

twelve inches equal to how many centimeters?

twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days.

total area of the 64 small squares of aches board is 400cm2. there is 3cm wide border around the chess board.

to produce an annual income of rs. 1200 from a 12% stock at 90, the amount of stock needed is----------?

to fill a cistern, pipes p, q & r take 20, 15 & 12 minutes respectively.

three towns x, y, and z are on a river which flows uniformly. y is equidistant from x and z.

three taps a, b and c can fill a tank in 12, 15 and 20 hours respectively.

three taps a, b and c can fill a tank in 12, 15 and 20 hours respectively.

three quantities x, y and z are such that xy=kz where k is constant. initially, x was at 4 and x:y:z was 2:3:4.

three pipes of same capacity can fill a tank in 8 hours. if there are only two pipes of same capacity, the tank can be filled in-----------?

three pipes a, b and c can fill a tank in 6 hours. after working at it together for 2 hours. c is closed a and b can fill the remaining par in 7 hours.

three persons invested rs.9000 in a joint business. the second person invested rs.1000 more than the first and the third rs.1000 more than second.

three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073.

three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. the largest of these numbers is :-----------?

three numbers are in the ratio 3:4:5 and their l.c.m is 2400. their h.c.f is: