The average cost of three chairs is Rs.12000. The average cost decrease by 18% when one more chair is included. What is the cost price of the 4th chair?
Total cost of three chairs = 12000 × 3 = Rs. 36000 Average cost of all the four chairs = 12000 × (82/100) = Rs. 9840 Total cost of all the four chairs = 9840 × 4 = Rs. 39360 Cost of the 3rd chair = 39360 - 36000 = Rs. 3360
74% of 2840 + 80% of 1640 - ?= 47²
What will come in place of the question mark (?) in the following question?
24.30% of 372.32 = ?
25.6% of 250 + √? = 119
182 – 517 ÷ 11 - √361 = ?
1365 ÷ 15 + (? ÷ 5) = 62 × 3.5
The alarms of two alarm clocks sound at regular intervals of 72 seconds and 80 seconds. If they beep together for the first time at 6:00 am, at what tim...
(168 ÷ 12 + 19 × 64)/(22+1)
33 + (6.25) % of 1600 = ? + 2 X 55
[4(1/3) + 4(1/4)] × 24 – 62 = ?2
