Maths Quiz Test Of 27th February

 The ratio of copper and zinc in a 63 kg alloy is 4: 3. Some amount of copper is extracted from the alloy, and the ratio becomes 10: 9. How much copper is extracted?

1. 8kg
2. 6kg
3. 12kg
4. 10kg

A bag contains Rs 410 in the form of Rs 5, Rs 2, and Rs 1 coins. The number of coins is in the ratio 4: 6: 9. So, find the number of 2 Rupees coins.

1. 40
2. 50
3. 60
4. 70

A candidate who scores 30% fails by 5 marks, while another candidate who scores 40% marks gets 10 more than minimum passing marks. The minimum marks required to pass are:

1. 50
2. 100
3. 45
4. 150

 If in a certain language, NOIDA is coded as OPJEB, how is DELHI coded in that language?

1. CDKGH
2. EFMIJ
3. FGNJK
4. IHLED

Vessels A and B contain mixtures of milk and water in the ratios 4: 5and 5: 1respectively. In what ratio should quantities of the mixture be taken from A and B to form a mixture in which milk to water is in the ratio 5: 4?

1. 2: 5
2. 4: 3
3. 5: 2
4. 2: 3

Ten years ago, the sum of ages of a father and his son was 34 years. If the ratio of present ages of the father and son is 7:2, find the present age of the son.

1. 12 years
2. 11 years
3. 10 years
4. 8 years

The ratio of the ages of Minu and Meera is 4:2. If the sum of their ages is 6 years, find the ratio of their ages after 8 years.

1. 8:6
2. 6:5
3. 6:4
4. 7:5

Four years ago a man was 6 times as old as his son. After 16 years he will be twice as old as his son. What is the present age of man and his son?

1. 34, 9
2. 33, 7
3. 35, 5
4. 36, 6

Rs 7800 are distributed among A, B, and C. The share of "A" is the ¾ of the share of B, and the share of B is the 2/3 of the share of C. Find the difference between the share of B and C.

1. 1200
2. 1300
3. 1500
4. 800

 In an election, 2 candidates participate in which the winner gets 60% of the total votes, and he wins the election by 2000 votes. Find the total number of votes in the election.

1. 3200
2. 6400
3. 10000
4. 13250