SSC CHSL 13th April 2021 Shift-3

If $$a^2 + b^2 + c^2 + 170 = 2(8a + 5b - 9c)$$, then the value of $$\sqrt{4a + 8b - c}$$ will be:

A can do a work in $$7\frac{1}{2}$$ hours and B can do the same work in $$10\frac{1}{2}$$ hours. If they work together for $$3\frac{1}{2}$$ hours, then what part of the work will be left out?

The average of the numbers a, b. c and d is 2d + 4. Also, the averages of the numbers a and b: b and c: c and d are 8, 5 and 4, respectively, If e = a + d + 1, then whatis the average of the numbers d and e?

Study the given pie chart and table and answer the question that follows.
The pie chart represents the percentage-wise distribution of 300 students of class X in a school in six different sections A, B, C, D, E and F.

The table shows the number of boys of class X in six different sections A, B, C, D, E and F.

The difference between the central angles of the sectors corresponding to the sections A and F is:

Aperson moved from place A for place B at 2 p.m. at a speed of 4.5 km/h, stayed at place B for 1.5 hours and returned to place A at a speed of 6 kin/h. He camebackto place A at 7 p.m. Whatis the distance between places A and B (in km)?

Who has become the first Woman DGP of Kerala?

Where is the Kudremukh iron ore mine located?

Which of the following nations ‘unintentionally’ shot down a Ukrainian Boeing 737-800 passenger aircraft in January 2020?

What is a leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx or voice box called?

Which of the following channels or straits is located between the Great Nicobar Island and Indonesia's Sumatra Island?