Meena went to a bank to withdraw Rs 2000. She asked the cashier to give her Rs 50 and Rs100 notes only. Meena got 25 notes in all.

Solution: Let the number of Rs 50 notes and Rs 100 notes be x and y respectively. According to the question, x + y = 25 ... (i) 50x + 100y = 2000 ... (ii) Multiplying equation (i) by 50, we get 50x + 50y = 1250 ... (iii) Subtracting equation (iii) from equation (ii), we get 50y = 750 y = 15 Putting...

(b) Body with jointed legs 

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 =...

Solution: Given, Total number participants = 63 Total prize money distributed = Rs 3000 Winner gets a prize of Rs 100 Loser gets a prize of Rs 25 Number of winners = ? Let the number...

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...

(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...

(c) Let Farah’s age at the time of her marriage be x. Then, (x +8)= x  x 9/7 9x /7 -8 =8 x=8*7/2= 28 years Farah’s present age = 28 + 8 =...

(b) Total money with Mona = (4 x 2) + (2 x 20) + (3 x 100) = Rs.8 + Rs.40 + Rs. 300 = Rs.348  Price of book = Rs.326 Mona...

(d) From the given information, we conclude that ; Bipin is older than Geeta and Geeta is older than Meena. Hence, Meena is the youngest of the three.