14. A lady has 25 paise coins and 50 paise coins. If in all she has 80 coins totaling Rs.21, the difference between the number of 25 paise coins and 50 paise coins is:-

(a)70

No worries! We‘ve got your back. Try BYJU‘S free classes today!

(b)72

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

(d)68

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B (b)72
Ans: (b)
Sol: Let, no. of 25 paisa coins=x
No. of 50 paisa coins=y
x + y = 80
Also, x/4 + y/2 = 21
x + 2y = 84;
Solving y=4; x=76
Difference=72.

Suggest Corrections

Similar questions

Sumitra has $R s . 34$ in $50$ -paise and $25$ -paise coins. If the number of $25$ -paise coins is twice the number of 50-paise coins, how many coins of each kind does she have?

Q. A lady has only

25

paise and

50

paise coins in her purse. She has a total of

120

coins and total amount is Rs.

50

. The number of coins of each type in her purse, respectively, is

Q. A man has only

20

paise coins and

25

paise coins in his purse. If he has

50

coins in all totaling Rs.

11.25

, how many coins of each kind does he have?

A box contains coins of 25-paise and 50-paise suchthat total amount is Rs.160. If the number of 25-paise coins is six times the number of 50-paise coins, then find the numbers of 25-paise coins and 50-paise coins.

Q. A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is

Join BYJU'S Learning Program

14. A lady has 25 paise coins and 50 paise coins. If in all she has 80 coins totaling Rs.21, the difference between the number of 25 paise coins and 50 paise coins is:-

The correct option is B (b)72 Ans: (b) Sol: Let, no. of 25 paisa coins=x No. of 50 paisa coins=y x + y = 80 Also, x/4 + y/2 = 21 x + 2y = 84; Solving y=4; x=76 Difference=72.

The correct option is B (b)72
Ans: (b)
Sol: Let, no. of 25 paisa coins=x
No. of 50 paisa coins=y
x + y = 80
Also, x/4 + y/2 = 21
x + 2y = 84;
Solving y=4; x=76
Difference=72.