Question
If a hollow sphere of an external and internal diameters
of 6 cm and 4 cm, respectively is melted into a cone of base diameter 8 cm, then the height of the cone is:Solution
The correct answer is A
The ratio of the present ages of Ginni and Binni is 7:4 respectively. Ginni is ‘n’ years older than Binni. If after 2 years, the ratio of the ages o...
The seller sold a total of 40 kg of rice bags, comprising Basmati Rice and Brown Rice. The cost price of Basmati rice is Rs.72/kg, and that of Brown ric...
A shopkeeper mixes two types of rice costing Rs 60 per kg and Rs 80 per kg in a ratio. He sells the mixture at Rs 85 per kg and gains a profit of 25%. I...
The jar P has a mixture of milk and cream in the ratio of 8:5, and the jar Q has a mixture of 60 liters of milk and cream in the ratio of 7:5. If the mi...
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...
(0.25) -1.5 = ?
‘A’ and ‘B’ can do a piece of work in 25 days and 30 days, respectively. If they started the work together and worked on it for 5 days, then fin...
In what ratio rice at 47 Rs/kg should be mixed with the rice at 28 Rs/kg so that selling mixture at Rs 45 per kg gives the profit of 25% if the quantity...
A shopkeeper marked his goods 30% above the cost price and earned a profit of Rs. 14 after selling it by giving a discount of 22%. Find the cost price o...
There are two buckets X and Y containing mixture of milk and water in which concentration of milk is (a-9)% and (a+15)%, respectively. They are mixed to...
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