મુખ્ય સામગ્રી પર જાઓ

State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · પ્રશ્ન 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?

28 kg
30 kg
32 kg
24 kg
None of the above / More than one of the above

જવાબ બતાવો અને સમજૂતી

જવાબ: (A) 28 kg

સમજૂતી

Cement stays 14 kg; 6:1 needs 84 kg sand; 84 − 56 = 28 kg.

(A) સાચો
Correct: sand 56, cement 14; need 84 sand → add 28 kg.
(B) ખોટો
Wrong: too much.
(C) ખોટો
Wrong: too much.
(D) ખોટો
Wrong: too little.
(E) ખોટો
Wrong: only one of the options A–D is correct.