Ashifur September 9, 2023 - 19:51
Problem: The sum of race times of two runners is 170 seconds. One of the runners took ten seconds less than twice the other to complete the race. What is the race time of each runner?

View all: SONALI & JANATA BANK LTD (SO) IT / ICT WRITTEN QUESTION (MATH) SOLVE | 2018

Correct Answer: 60 seconeds

Explanation:

Let, A took t’ seconds

B took ( 170 – x) seconds.

According to question. 2(170 – x) – 10 + (I70 -x) = 170

340-2x – 10+ 170-x =170

=> 330 = 3x

3x = 330

x= $\frac{330}{3}$ = 110

x = 110

A took 10 seconds and B took (I70 – 110) = 60 seconds.

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