IBPS BANK EXAM TEST 9 - IBPS BANK EXAM Questions and Answers

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The cost of 14 keyboards and 8 mouse-pads is Rs. 26240. What is the cost of 35 keyboards and 20 mouse-pads ?

Rs. 65600

Rs. 58800

Rs. 76550

Cannot be determined

None of these

Answer : Option A

Explanation :

C.P of 1 key board = Rs. x.

C.P of 1 mouse pad = Rs. y.

14x + 8y = 26240

Dividing both sides by 2

7x +4 y =13120

Multiplying both sides by 5

35x + 20y = 65600

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