ESE 2022 Non-Technical Quiz 13

US space agency NASA has selected which company to launch its probe of Jupiter's moon Europa, which has liquid oceans that could harbour life?

From which country the Indian Navy has received first two MH-60R Multi Role Helicopters (MRH)?

Who has authored the book titled “Ten Lessons for a Post–Pandemic World”?

The solution of differential equation  is:

The value of (a + b) is __________, if for a random variable X, E(x) = 10, V(x) = 25 and if Y = aX – b, E(Y) = 0 and V(Y) = 1.

Given x + y(1 + x) = 4 for u = log(x² + y²), then at (x, y) = (1, 1), the value of  is:

Two statements are given, followed by four conclusions numbered I, II, III and IV. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:
1. All cow are milk.
2. All milk are butter.
Conclusions:
I. Some butter are milk.
II. Some milk are cow.
III. All butter are milk.
IV. All milk are cow.

Jyoti bought a computer system for ₹40000. She sold it to Brajesh at a loss of 4%. If Brajesh sells it for ₹40320 to Yash, then the profit per cent earned by Brajesh is