In a class the ratio of boys and girls is 4 : 3. If 7 girls join the class, the ratio of boys and girls becomes 3 : 4. Then the number of boys in the class is:
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A man purchased 5 toys at the rate of Rs. 200 each, 6 toys at the rate of Rs. 250 each and 9 toys at the rate of Rs. 30…
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The least number which when divided by 9, 10 and 15 leaves the remainders 4, 5 and 10 respectively is:
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The number that must be added to the terms of the ratio $11 : 29$ to make it equal to $11 : 20$ is:
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A person covers 9 km at a speed of 3 km/hr, 25 km at a speed of 5 km/hr and 30 km at a speed of 10 km/hr. The average s…
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A person buys a circular plot of land for Rs. 79,200 at the rate of Rs. 700 per sq.m. The radius of the plot is:
Topic: AMU MCA 2024
A polygon has 9 diagonals. Then the number of sides of the polygon is:
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A century leap year is divisible by:
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If salary of a person is first increased by 15% and thereafter decreased by 12%, then the net change in the salary is:
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If $\frac{^nP_5}{^nP_3} = 20$, then the value of $n$ is:
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My age becomes half that of my brother’s if we simply add 2 years to his present age. If I am 25 years old today, my br…
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When 40% of a number is added to 42, the result is the number itself. The number is:
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The population of a town increases by 5% annually. If it is 15,435 now, its population 2 years ago was:
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0.5 of a number is equal to 0.07 of another. The ratio of the numbers is:
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In what time will a sum of money double itself at $6\ \frac{1}{4}%$ p.a. simple interest?
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