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# Rs. 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is

Rs. 4800

Rs. 5000

Rs. 5400

Rs. 5600

$⇒$24x = 9800 x 25 - 25x
$⇒$49x = 9800 x 25
$⇒$x = 5000.