For the following questions answer them individually
A hemispherical bowl has a radius of 7 cm. It is to be painted from inside as well as outside. Find the cost of painting it at the rate of Rs.40 per 20 $$cm^{2}$$ ? (Take thickness of the bowl as negligible).
If A, B and C can do a work in 6 days, 9 days and 11 days, respectively, then, working together, how many days will they take to do the work?
Rini has mixed two colours โ$$C_1$$โ and โ$$C_2$$โ in the ratio 2 : 3. If the rate of the colour โ$$C_1$$โ is โน500 per unit and she is selling the mixture of the two colours at โน650 per unit at breakeven price, then what is the rate (in โน) per unit of the second colour, that is, โ$$C_2$$โ?
In the following figure, the length of arc AB is equal to five times of the radius r of the circle. Find the area of sector AOB?
On selling a painting at Rs.1,498, the gain is 25% more than the loss incurred on selling it at Rs.1,300. In order to gain 25%, the selling price will be:
Select the option that expresses the given sentence in passive voice. Sanyukta has to bake fifty-one cakes for the anniversary party.
Select the option that can be used as a one-word substitute for the italicised group of words in the given sentence.
The prime minister paid tributes to the martyrs by laying circular arrangement of flowers.
Select the most appropriate ANTONYM of the underlined word.
The village fair was cancelled due to incessant rains.