HARYANA CET RATIO & PROPORTION MATHS QUIZ

Question 1:

Find the fourth proportional 3,4 and 9 .

12

16

10

11

Question 2:

The ratio of the present ages of father and son is $2:1$, the product of their ages is 200, what will be the ratio of their ages after 5 years?

$9: 5$

$10: 7$

$9: 2$

$5: 3$

Question 3:

If $a: b=2: 3$ and $a: c=10: 21$, then what is $b: c$

$5: 7$

$15: 14$

$14: 15$

$7: 5$

Question 4:

Divide 1870 into three parts so that half of the first, one-third of the second, and 1 / 6 of the third are equal. What will be the three parts?

$360,510,1000$

$340,490,1040$

$340,510,1020$

$360,490,1020$

Question 5:

In an alloy of German silver, the ratio of copper to zinc was $21: 16$ while that of nickel to zinc was $7: 24$ What was the ratio of copper to zinc to nickel in the alloy?

$48: 21: 14$

$17: 21: 4$

$63: 48: 14$

$68: 28: 21$

Question 6:

315 marbles are distributed among Aman, Ashok and Alok in the ratio $7: 3$ : $5$ , respectively. How many more marbles did Aman get compared to Ashok?

84

42

147

63

Question 7:

If 264 is divided in the ratio 31 : 13 then what is the value of the smaller part?

65

78

91

104

Question 8:

Vaishanvi has only ₹ 5, ₹ 10 and ₹ 20 coins in her collection. The number of ₹ 5 coins is thrice that of ₹ 10 coins and number of ₹ 20 coins in half of that of ₹ 10 coins. If the collection contains 7 number of ₹ 20 coins, then how much amount she will have in total ?

₹ 420

₹ 590

₹ 490

₹ 470

Question 9:

The ratio of boys and girls in a club was 8: 5. When 6 boys left and at the same time 9 more girls joined the club, the ratio of boys and girls became 14: 13. The number of girls, initially, in the club was:

45

30

40

35

Question 10:

If 50% of a number is equal to two-thirds of another number, what will be the ratio of the first number to the second number?

5:3

1:3

4:3

4:5