Question
If in the number “632642347”, “1” is subtracted
from all the odd digits and “2” is added to all the even digits, then which of the following digit/digits will appear thrice in the new number thus formed?Solution
6 3 2 6 4 2 3 4 7 8 2 4 8 6 4 2 6 6
For A = [[2,3],[-1,4]], find det(2A).
A man spends 30% of his salary on rent, 25% on groceries, and the remaining on savings. If he saves ₹18,000, what is his total salary?
Determine the mean of the following observations:
24, 26, 22, 25, 20, 21, 24, 251153, 1206, ?, 1326, 1393, 1464
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² + 2x - 15 = 0
Equation 2: y² - 4y - 12 = 0
84 is divided into two parts in such a way that the fourth part of the first part and the fifth part of the second are in the ratio 1 : 2. The first par...
6 mangoes are bought for Rs 24 and 3 mangoes are sold for Rs 18. Find the percentage profit or loss.
In how many ways can 5 boys and 5 girls sit around a circle such that no two boys sit adjacent and no two girls sit adjacent?
A woman invested Rs. 75,000 at compound interest of 12% p.a. compounded annually for 1 year. If the interest had been compounded semi-annually, how much...
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