Math Mock Test in English for online practice of Competitive Exams. Objective MCQs with answer and solution.
Results
#1. The average of 30 numbers is 12. The average of the first 20 of them is 11 and that of the next 9 is 10. The last number is :
Explanation: Last number :
= 30 × 12-20 × 11 − 9 × 10
= 360 − 220 − 90
= 360 − 310 = 50
#2. Find the simplest value of 
(given
#3. The digit in unit’s place of the number (1570)2 + (1571)2 + (1572)2 + (1573)2 is :
#4. If the product of first 50 positive consecutive integers be divisible by 
, where n is an integer, then the largest possible value of n is :
#5. A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot at the rate of 4 kmph and partly on bicycle at the rate of 9 kmph. The distance travelled on foot is
#6. A man spends 75% of his income. His income increases by 20% and his expenditure also increases by 10%. The percentage of increase in his savings is :
#7. When a particular number is subtracted from each of 7, 9, 11 and 15, the resulting numbers are in proportion. The number to be subtracted is :
#8. A train travels 500 m in first minute. In the next 4 minutes, in each minute it travels 125 m more than that in the previous minute. The average speed per hour of the train during those 5 minutes will be :
#9. ![\sqrt[3]{(333)^3+(333)^3+(334)^3 -3\times333\times333\times334}](https://s0.wp.com/latex.php?latex=%5Csqrt%5B3%5D%7B%28333%29%5E3%2B%28333%29%5E3%2B%28334%29%5E3+-3%5Ctimes333%5Ctimes333%5Ctimes334%7D+&bg=ffffff&fg=000&s=0&c=20201002)
is equal to
#10. The wrong number of the sequence 4, 9, 19, 39, 79, 169, 319 is :
