List of practice Questions

The incomes of A and B are in the ratio 9:4 and their expenditures are in the ratio 7:3. If A saves 30% of his income, then the ratio of their savings is:
Jayant gave 20% of his savings to his elder son, 30% of the rest to his younger son and 10% of the still remaining as donation to a trust. He is left with ₹ 5040. Find his total savings.
The average age of 6 sons of a family is 8 years. The average age of the sons together with their parents is 22 years. If the father is 8 years older than the mother, then the age of the father (in years) is:
Two mixtures A and B contain milk and water in the ratio 4:5 and 7:4, respectively. In what ratio should the two mixtures be mixed to obtain a new mixture having 55% milk?
A starts a business with ₹ 42,000 and is joined afterwards by B with ₹ 72,000. After how many months did B join if the profits at the end of the year are divided equally?
The L.C.M. of 33, 54, 108, 165, and 198 is:
A dishonest shopkeeper professes to sell grains with only 4% profit, but uses a faulty weight and gives only 800 gm in place of 1 kg. The actual profit percentage of the shopkeeper is:
Three partners A, B, and C started a business. Twice A's investment is equal to thrice B's investment and B's investment is four times C's investment. Out of a total profit of ₹ 49500 at the end of the year, B's share in the profit is:
In a certain election, 92% of the total voters cast their votes and the winning candidate got elected with 75% of the votes polled. What percent of the number of total votes did he get?
Out of four numbers whose average is 75, the first number is one-fourth of the sum of the last three numbers. The first number is:
Evaluate the following expression: \[ \frac{0.963 \times 0.963 - 0.963 \times 0.037 + 0.037 \times 0.037}{0.963 \times 0.963 \times 0.963 + 0.037 \times 0.037 \times 0.037} \]
If \( a^3 + b^3 = c^3 \), then \( (a + b - c)^3 + 27abc \) is equal to:
The number 325325 is divisible by:
The single digit value of \( k \) satisfying the algebraic relation \( k + 1k + 2k + 4k + k^2 = 19k \), is:
If the sum of two numbers is 12 and their difference is 8, then the product of the two numbers is:
Three numbers are in the ratio 2 : 3 : 5 and their HCF is 6. The numbers are :
In a class of 35 students, the average weight of 21 students is 46 kg and the average weight of the remaining students is 41 kg. The average weight of all the students and a teacher is 44.75 kg. What is the weight of the teacher (in kg)?
If \[ \frac{28.5}{5} \, \frac{21.5}{15} = \frac{15.5}{30} = \left( \frac{x}{4} \right)^3 - 3, \] then the value of \(x\) is:
By selling an item at a discount of 20%, the profit is 20%. The profit percentage, if the item is sold at a discount of 10%, is:
Choose the correct spelling:
Choose the correct spelling:
Choose the correct spelling:
Choose the most appropriate option for the following idiomatic expression: Instead of wasting time in discussions, kindly get down to brass tacks.
Choose the most appropriate option for the following idiomatic expression: ‘Will-o-the-Wisp’
Choose the most appropriate option for the following idiomatic expression: Children and fools should not play with edged tools.