BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 87
A 70 kg mixture has sand and cement in the ratio 4:1. How much more sand must be added to make the ratio 6:1?
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ
ಉತ್ತರ: (A) 28 kg
ವಿವರಣೆ
Cement stays 14 kg; 6:1 needs 84 kg sand; 84 − 56 = 28 kg.
- (A) ಸರಿ
Correct: sand 56, cement 14; need 84 sand → add 28 kg.
- (B) ತಪ್ಪು
Wrong: too much.
- (C) ತಪ್ಪು
Wrong: too much.
- (D) ತಪ್ಪು
Wrong: too little.
- (E) ತಪ್ಪು
Wrong: only one of the options A–D is correct.