Mathematics mcqs

three men start together to travel the same way around a circular track of 11 kilometers in circumferenctheir speeds are 4, 5 and 8 kilometers per hour respectively. when will they meet at a starting point?

three men start together to travel the same way around a circular track of 11 kilometers in circumferenctheir speeds are 4, 5 and 8 kilometers per hour

12 hours

11 hours

22 hours

220 hours

three consecutive odd integers are in increasing order such that the sum of the last two integers is 13 more than the first integer. find the three integers?

three consecutive odd integers are in increasing order such that the sum of the last two integers is 13 more than the first integer.

11, 13, 15

9, 11, 13

7, 9, 11

13, 15, 17

there is a 30% increase in the price of an article in the first year, a 20% decrease in the second year and a 10% increase in the next year. if the final price of the article is rs. 2288, then what was the price of the article initially?

there is a 30% increase in the price of an article in the first year, a 20% decrease in the second year and a 10% increase in the next year.

rs. 1800

rs. 1500

rs. 2400

rs. 2000

there are two numbers. if 40% of the first number is added to the second number, then the second number increases to its five-fourth. find the ratio of the first number to the second number?

there are two numbers. if 40% of the first number is added to the second number, then the second number increases to its five-fourth.

8:25

2

5:08

8:05

there are two circles of different radii. the area of a square is 196 sq.cm, whose side is half the radius of the larger circlthe radius of the smaller circle is three-seventh that of the larger circlwhat is the circumference of the smaller circle ?

there are two circles of different radii.

12 π cm

32 π cm

16 π cm

24 π cm

there are three numbers. 5/7th of the first number is equal to 48% of the second number. the second number is 1/9th of the third number. if the third number is 1125, then find 25% of the first number?

there are three numbers. 5/7th of the first number is equal to 48% of the second number. the second number is 1/9th of the third number.

84

168

42

21

there are 21 poles with a constant distance between each pola car takes 30 seconds to reach the 16th polhow long does it take to reach the last pole?

there are 21 poles with a constant distance between each pola car takes 30 seconds to reach the 16th polhow long does it take to reach the last pole?

39.5 seconds

40 seconds

39.38 seconds

39 seconds

the wheels revolve round a common horizontal axis. they make 15, 20 and 48 revolutions in a minute respectively. starting with a certain point on the circumference down wards. after what interval of time will they come together in the same position?

the wheels revolve round a common horizontal axis. they make 15, 20 and 48 revolutions in a minute respectively.

2 min

3 min

1 min

none

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