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Slant height of the cone = √{(radius)2 + (height)2} = √(92 + 122) = √(81 + 144) = √225 = 15 cm So, curved surface area of the cone = π X radius X slant height = 135π cm2
Alloy A contains iron and copper in ratio 4:5. Alloy B contains iron and copper in ratio 3: 4. If 63kg of alloy A and 56 kg of alloy B are mixed, then w...
A Hemi sphere has a volume of 486π cubic units. What is the radius of the sphere?
A luxury watch is originally priced at ₹15,000. During a seasonal sale, the watch is offered at a discount of 30%. After the discount, an additional 1...
In what ratio rice at 44 Rs/kg should be mixed with the rice at 28 Rs/kg so that selling mixture at Rs 42 per kg gives the profit of 20% if the quantity...
In what ratio rice at 48 Rs/kg should be mixed with the rice at 34 Rs/kg so that selling mixture at Rs 46 per kg gives the profit of 15% if the quantity...
A sum of ₹ 31 was divided among 50 students. If each boy got 70 paisa and each girl got 45 paisa. Find the number of boys.
(0.25) -1.5 = ?
A man sold one shirt and one t-shirt for Rs. 4000 on shirt he gained 21% and he lost 14% on t-shirt. If overall profit is 7%, then cost price of t-shirt is
A sum of ₹4,360 was to be divided among A, B, C, and D in the ratio 3:4:5:8, but it was divided in the ratio 1/3:1/4:1/5:1/8. Was divided by mistake: ...
If a:b:c = (1/6) :(1/8) :(1/5) , and a + b + c = 236, then find the value of (c - a) .
