Question
A wooden toy is in the form of a sphere with diameter 28
cm. Find the cost of polishing its surface at the rate of 50 paise per cm². (Take π = 22/7)Solution
Given: Diameter = 28 cm → Radius = 14 cm π = 22/7 Rate = ₹0.50 per cm² Formula: Surface area of sphere = 4 × π × r² Calculation: = 4 × (22/7) × 14 × 14 = 2464 cm² Cost: = 2464 × 0.50 = ₹1232
Many politicians in the past have won elections by promising to cut taxes, most of the new ones now  ……………………….
...In each of the following questions, an idiomatic expression/a proverb has been underlined – followed by four alternatives. Choose the one which best ...
zero hour
He had no intention of letting the Foreign Secretary steal any of his blunder .
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In the following questions, a part of the sentence is highlighted in bold. Choose the option which can replace the highlighted phrases/idioms in a best ...
To shorten a word/phrase/text
Select the most appropriate meaning of the given idiom.
Pull up your socks
- Select the most appropriate idiomatic expression to fill in the blank.
After months of uncertainty, the manager finally decided to __________ and i... Select the most appropriate meaning of the bold idiom in the given sentence.
There was no one in the team who could bell the cat and tell the ...
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