Math Mock Test in English for online practice of Competitive Exams. Objective MCQs with answer and solution.
Results
#1. A sum was invested on simple interest at a certain rate for 2 years. Had it been put at 3% higher rate, it would have fetched Rs 72 more. The sum is :
#2. The least number which must be added to 1728 to make it a perfect square is :
#3. The product of two fractions is 
and their quotient is 
The greater of the fractions is :
#4. The ratio of the number of boys to that of girls in a village is 3: 2. If 30% of boys and 70% of girls appeared in an examination, the ratio of the number of villagers, appeared in the examination to that not appeared in the same examination is :
#5. 5 – [4 – (3 – (3 – 3 – 6))] is equal to
#6. The LCM of two numbers is 1920 and their HCF is 16. If one of the number is 128, find the other number.
#7. A water tank can be filled by a tap in 30 minutes and another tap can fill it in 60 minutes. If both the taps are kept open for 5 minutes and then the first tap is closed, how long will it take for the tank to be full?
#8. What least number must be subtracted from 1936 so that the resulting number when divided by 9, 10 and 15 will leave in each case the same remainder 7 ?
LCM of 9, 10 and 15 = 90
The multiple of 90 are also divisible by 9, 10 or 15.
21 × 90 = 1890 will be divisible by them.
Now, 1897 will be the number
that will give remainder 7.
Required number = 1936 – 1897 = 39
#9. The next number of the sequence 51, 52, 56, 65 is
#10. Out of 4 numbers, whose average is 60, the first one is one-fourth of the sum of the last three. The first number is :
