Meena went to a bank to withdraw Rs 2000. She asked the cashier to give her Rs 50 and Rs 100 notes only. Meena got 25 notes in all.

Sonali started playing piano at =14:45 She start end playing it 45 min before starting her homework She started doing her homework at =14:45+45=15:30(2:45 pm+45=3:30 pm)She finished doing her homework at 5:30pm Time...

(b) Body with jointed legs 

To polish a gold ornament, it is dipped in a liquid called aqua regia (a mixture of hydrochloric acid and nitric acid). On getting the environment of aqua regia, the...

Number of rs 100 note = 2x number of rs 50 note = 3x number of rs 10 note = 5x then,  100*2x + 50*3x + 10*5x = 400000 200x + 150x + 50x =...

The food item would be fat because bile juice of the gall bladder helps in the digestion of fat. Removal of gall bladder leads to difficulty in digestion of fatty...

The thread which burns with a smell of burning hair is from pure silk. Silk and hair are protein fibres. Cotton and paper both are carbohydrates, and on burning they...

(i) Meena is suffering from anaemia. (ii) She should take fruits and vegetables (spinach) which is rich in iron. Iron is an essential component of haemoglobin and is required for its...

The road side plants had probably some dust and soot deposited on them and thus appeared dull.

No. Use the paper for doing rough work or convert it into paper pulp to make a handicraft item.

Let Meena got x and y notes of Rs. 50 and Rs100 respectively. Then x + y = 25               ...(i) 50x + 100 y = 2000 ⇒...