List of practice Questions

The selling price of 30 items is equal to the purchase price of 25 items, then the profit or loss percent is:
The difference between the cost price and sale price of an article is \rupee240. If the profit is 20%, the selling price is:
How much water must be added to 60 litres of milk, costing \rupee20 per litre, to get a mixture worth \rupee10\( \frac{2}{3} \) per litre?
The simple interest on a sum of money is \( \frac{4}{9} \) of the principal. If the rate percent and time are numerically equal, then find the rate percent.
The ages of two persons differ by 16 years. If 6 years ago, the elder one was three times as old as the younger one, then the present age of the elder one is:
Six years ago, the ratio of the ages of Ram and Ravi was 6 : 5. Four years hence, the ratio of their ages will be 11:10. What is Ravi's age at present?
The ages of A and B are in the ratio 6 : 5 and the sum of their ages is 44 years. What will be the ratio of their ages after 8 years?
A 160 m long train crosses a 160 m long platform in 16 seconds. Then the speed of the train is:
If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, then the speed of the boat in still water is:
If \[ \sqrt{218 + \sqrt{37 + \sqrt{144}}} = K, \text{ then value of } K \text{ is} \]
If \( \sqrt{x} + 14 = \sqrt{2601} \), then \( x \) is equal to:
The fraction equivalent to \( \frac{2}{7}% \) is
In how many years will a sum of money double itself at 6.1% simple interest per annum?
Which of the following is a pair of co-primes?
A number less than 100, when divided by 4, 5 and 6 leaves remainder 2 in each case. The number is:
The average of the first 100 positive integers is:
The average of 7 consecutive numbers is 20. The largest of these numbers is:
Simplify \[ \frac{7}{8} \times \frac{7}{8} + \frac{5}{6} \times \frac{5}{6} + \frac{7}{8} \times \frac{5}{3} \div \left( \frac{7}{8} \times \frac{7}{8} - \frac{5}{6} \times \frac{5}{6}\right) \]
If the ratio of two numbers is 11 : 12 and their LCM is 528, then their H.C.F is:
The H.C.F and L.C.M. of two numbers are 12 and 336 respectively. If one of the numbers is 48, the other is:
The H.C.F of 3556 and 3444 is:
the logic circuit
Consider the logic circuit with inputs A,B,C, and output Y. How many combinations of A, B and C give the output Y=0?
The area of the region in the first quadrant which is above the parabola \(y = x^2\) and enclosed by the circle \(x^2 +y^2 = 2 \) and the y-axis is
The area of the region in the first quadrant enclosed by the curves\( y=√x,y=-x+6 \)and the x-axis is 
The kinetic energy of a particle of mass m1 moving with a speed V is same as the kinetic energy of a solid sphere of mass m2 rolling on the plane surface. If the speed of the Centre of the sphere is also V,then m1/m2 is: