Question
The cost of 3 kg of rice is Rs. 180. The cost of 8 kg of
rice is equal to that of 5 kg of pulse. The cost of 15 kg of pulses is equal to that of 2 kg of tea. The cost of 3 kg of tea is equal to that of 6 kg of walnuts. What is the cost (in Rs.) of 10 kg of walnuts?Solution
3 kg. Rice = Rs. 180 1 kg. Rice = Rs. 60 8 kg rice =480 Then ATQ- 5 kg. pulse = 8 × 60 = Rs. 480 15 kg. Pulse = 3× 480= Rs.1440 2 kg. Tea = Rs.1440 1 kg tea =720 3 kg. Tea = Rs.2160 = 6 kg. walnuts 6 kg. walnuts = 2160 1 kg walnuts =360 Then 10 kg. walnuts 360×10 = 3600rs
(22 × 52 ) + 4 × 6 = ? - √324
What should come in place of (?) question mark in the given expression.
 (25% of 320) + (3/8 of 400) − 30 = ?
(5832)1/3  × 10.11 × 11.97 ÷ 16.32 = ? + 45.022
82% of 400 + √(?) = 130% of 600 - 85% of 400
If (x + 1/x) = 5, then value of x3 + 1/x3 is:
Simplify: (1 ÷ 0.08)
What should come in place of (?) question mark in the given expression.
{ (144 ÷ 12) × 5 } − (18 ÷ 3) = ?
Simplify the following expressions and choose the correct option.
(3/4 of 256) + (2/5 of 150) - (72 ÷ 7)
464 + 181 +? = (154 × 25) - (15) 2 Â
15% of 1800 + 22 = ?Â
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