Question
Average of 15 numbers is 78. The average of the first
seven is 74 and of the last five is 92. The eighth number is 40% of the ninth, and the tenth number is 60% more than the ninth. Find the ninth number.Solution
Let ninth number is x Eighth number = 0.40x Tenth number = 1.60x According to question; x + 0.40x + 1.60x = 15 × 78 – 7 × 74 – 5 × 92 = 192 Or, 3x = 192 Or, x = 64
What is the name of the Election Commission of India’s portal for electoral integrity?
Consider the following pairs and identify which of the following pairs of religious texts and associated religions are matched correctly.
1. Aran...
Abhishek, Bobby and Charlie start from the same point and travel in the same direction round an Island 6 km in circumference. Abhishek travels at the ra...
Which deficit reflects the borrowing needs of the government?
Identify the app launched by Ministry of Coal, to stop illegal coal minings?
Consider the following statements in reference to Harballabh Sangeet Sammelan.
1. It is one of the oldest festival of Indian classical music in t...
Which of the following Committees recommended to incorporate Fundamental Duties in the Constitution of India?
What is the full form of WWW?
Which of the following exoplanets of the size between Mars and Earth was discovered by NASA’s Transiting Exoplanet Survey Satellite in June 2019?
Which nation hosted the 2019 World Aquatics Championship?
