SSC CHSL 7 Mar 2018 Shift 2 Paper

Section: General Intelligence

Question : 40 of 100

Marks: +1, -0

If 13Δ3 = 20, 12Δ7 = 10 and 12Δ5 = 14, then find the value of 16Δ2 = ?

Solution:

Given : 13Δ3 = 20, 12Δ7 = 10 and 12Δ5 = 14
If we replace 'Δ' with '-', and multiply the difference by 2, we get the desired result.
Eg : -

(13 − 3) × 2 = 20

and

(12 − 7) × 2 = 10

and

(12 − 5) × 2 = 14

Similarly,

(16 − 2) × 2 = 28

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