Question
A box contains Rs. 930 in coins of Rs. 2, Rs. 5, and Rs.
8 denominations. The ratio of number of coins of Rs. 2, Rs. 5, and Rs. 8 is 6:5:7 respectively. Find the difference between the amount contributed by Rs. 8 coins and Rs. 2 coins.Solution
ATQ,
Let the number of coins of Rs. 2, Rs. 5 and Rs. 8 be 6x, 5x and 7x respectively. ATQ, (6x × 2 + 5x × 5 + 7x × 8) = Rs. 930 (12x + 25x + 56x) = 930 93x = 930 x = 10 Therefore, required difference = (7x × 8 - 6x × 2) = (56x - 12x) = 44x = 44 × 10 = Rs. 440
Which country became the first in modern history to lose all its glaciers as of May 2024?
With reference to ‘Leptospirosis’, consider the following statements:
1.Leptospirosis is a contagious disease in animals but is occasionally ...
What was the All-India Consumer Price Index (CPI) inflation rate for October 2024?
According to a joint report by India Cellular & Electronics Association (ICEA) and Accenture, what is the estimated revenue potential that circular busi...
"Mizo Puanchei" is a traditional product from which the Indian state, is known for its exquisite handicrafts?
Which Asian country has launched e-auction of 20 critical mineral blocks, including lithium and graphite?
What is the fixed rate at which investors are compensated under the Sovereign Gold Bonds Scheme?
Which of the following group of gases contributes to the "Green House Effect"?
Which state organized 'Intensified Mission Indradhanush 5.0' with the aim of immunizing children and women deprived of vaccination?
Consider the following statements:
1. Most of the world's coral reefs are in tropical waters
2. More than one-third of the world's coral...
Relevant for Exams:
