Civil Services UPSC Mock Test Series 2025 (Prelims + Mains) CSAT

If P = +, Q = -, R = ×, S = ÷, then insert the proper notations between the successive numbers in the equation 60_15_3_20_4 = 20:

1

SPRQ

2

QRPS

3

QRSP

4

SPQR

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