If 18% of x is 90, then x = ? MCQ with Answer and Explanation

If 18% of x is 90, then x = ?
A. 400
B. 450
C. 500
D. 550
Answer: Option C
Solution (By JKExamLibrary)
0.18x = 90 → x = 500.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1 Report Error
A man gave 35% of money to wife, 40% of remainder to son, rest to daughter. Daughter got Rs. 3900. Total money:
A. 10000
B. 8000
C. 12000
D. 9000

Correct Answer: Option A


Explanation:
Wife 35%, left 65%, son 40% of 65% = 26%, left 39% = 3900 → total = 10000.

This question belongs to: Maths Percentage
Question #2 Report Error
In an election, 25% of the voters did not vote. The winner got 50% of the total votes and won by 3000 votes. Find the total number of voters.
A. 8000
B. 11000
C. 12000
D. 10000

Correct Answer: Option C


Explanation:
Winner got 50% of total T, loser = (75% - 50%) = 25% of T. Margin = 25% of T = 3000 → T = 12000.

This question belongs to: Maths Percentage
Question #3 Report Error
8% of a number is 64. The number is:
A. 600
B. 900
C. 700
D. 800

Correct Answer: Option D


Explanation:
0.08x = 64 → x = 800.

This question belongs to: Maths Percentage