Math Mock Test in English for online practice of Competitive Exams. Objective MCQs with answer and solution.
Results
#1. Out of the two numbers, 40% of the greater number is equal to 60% of the smaller. If the sum of the numbers is 150, then the greater number is :
#2. (49)15 – 1 is exactly divisible by
#3. On selling an article for Rs 105 a trader loses 9%. To gain 30% he should sell the article at
#4. 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
#5. A student was asked to multiply a given number by $ \frac{8}{17} $ Instead, he divided the number by $ \frac{8}{17} $ His answer was 225 more than the correct answer. The given number was :
#6. A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to four times itself ?
#7. The least number which must be added to 1728 to make it a perfect square is :
#8. The ratio of cost price and selling price is 5 : 4, the loss percent is :
#9. The simplified value of $ (0.2)^3\times 200 \div 2000\: \text{of} \:(0.2)^2 $ is
#10. A man rows 750 m in 600 seconds against the stream and returns in $ 7\frac1 2 $ minutes. Its rowing speed in still water is (in km/hr).
