NTPC CBT- 2 MOST PROBABLE - RATIO AND PROPORTION QUIZ-1

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Question 1:

What is the fourth proportion to 391,299 , 204?

Question 2:

Sum of Rs. 10,627 is distributed among Raushan, Rituraj and Romi such that if Rs. 24 , Rs. 29 and Rs. 46 be taken from their shares respectively, their remaining shares are in the ratio $8: 11: 9$. What would have been the ratio of their shares if Rs. 168, Rs. 35 and Rs. 170 were added to their shares respectively to their original shares?

Question 3:

If 55 less had applied and 30 less selected, the ratio of selected to unselected would have been $5: 8$. How many candidates have applied if the ratio of unselected to selected was $3: 2$ ?

Question 4:

Amit has Rs. 67 in the form of 2 rupee, 1 rupee and 50-paise coins in the ratio $8: 9$ : 17. Find the number of 50 -paise coins.

Question 5:

If $4 \mathrm{~A}=7 \mathrm{~B}=6 \mathrm{C}$, then $\mathrm{A}+\mathrm{B}+\mathrm{C}: \mathrm{B}+\mathrm{C}-\mathrm{A}=$ ?

Question 6:

Rs. 3776 is to be distributed among A, B and C such that A's share is 9 times B's share and also 5 times $\mathrm{C}^{\prime}$ s share. How much did B get? (in rupees).

Question 7:

A, B and C started a business. Twice the investment of $\mathrm{A}$ is equal to thrice the investment of $B$ and also equal to five times the investment of $\mathrm{C}$. If $\mathrm{B}^{\prime}$ s share out of total profit is Rs. 1590 , then total profit is (in rupees)

Question 8:

Rs.12,177 is distributed among A, B and C, such total B gets $80 \%$ of what A gets and A gets $\frac{2}{3}$ of what $\mathrm{C}$ gets. How much more does C gets than B?

Question 9:

If $x$ is added to each of the numbers 31,82 , 19 and 53 the resulting numbers are in proportion. What is the mean proportion of $(x+$ 4) and $(x-1)$

Question 10:

A's income is Rs. 90 less than B's income and C's income is Rs. 75 more than D's income. If the ratio of A's and C's income is $48: 47$ and the ratio of B's and D's income is $9: 7$, then find the sum of all fours income.