Question
What will come in the place of the question mark (?) in
the following equation, if β+β and βββ are interchanged and βΓβ and βΓ·β are interchanged? 12 Γ· 13 + 128 β 343 Γ 49 = ?Solution
The correct answer is D
If f(g(x))= x, where f and g are inverses of each other and fβ(x) = 1/(1+x Β² ), then gβ(x) equals:
An LPP has constraints:
x + y β€ 4
x + y β₯ 6
x, y β₯ 0
What can be said about the feasible region?
Let a line pass through the origin and make equal angles with the coordinate axes. Then the direction cosines of the line are:
Aman, Bhanu, and Chinu can complete a piece of work individually in 20 days, 30 days, and 60 days, respectively. How many days wi...
The median of the following distribution is:
A boat can travel at a speed of 15 km/h in still water. If the speed of the current is 3 km/h, how long will it take to travel 24 km upstream?
If log 32 = 3.816, then the value of log 16 is:
P earns Rs. 12,000 per month. He spends 40% of his income on rent, 25% of the remaining amount on food, and saves the rest. Q sav...
The current ages of A and B are in the ratio of 4:7. Six years from now, the ages of B and C will be in the ratio of 2:3. If the average of the present ...
A class of 50 students has an average Chemistry exam score of 65. There average of boys and girls are 3: 2 in the class. Boys have an average score of 7...
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