1
GATE CSE 2018
+2
-0.6
If $$pqr \ne 0$$ and $${p^{ - x}} = {1 \over q},{q^{ - y}} = {1 \over r},\,{r^{ - z}} = {1 \over p},$$ what is the value of the product $$𝑥𝑦𝑧$$?
A
$$-1$$
B
$${1 \over {pqr}}$$
C
$$1$$
D
$$pqr$$
2
GATE CSE 2018
+2
-0.6
In a party, $$60\%$$ of the invited guests are male and $$400\%$$ are female. If $$80\%$$ of the invited guests attended the party and if all the invited female guests attended, what would be the ratio of males to females among the attendees in the party?
A
$$2:3$$
B
$$1:1$$
C
$$3:2$$
D
$$2:1$$
3
GATE CSE 2018
+2
-0.6
A six sided unbiased die with four green faces and two red faces is rolled seven times. Which of the following combinations is the most likely outcome of the experiment?
A
Three green faces and four red faces.
B
Four green faces and three red faces.
C
Five green faces and two red faces.
D
Six green faces and one red face.
4
GATE CSE 2016 Set 1
+2
-0.6
A shaving set company sells $$4$$ different types of razors, Elegance, Smooth, Soft and Executive. Elegance sells at Rs. $$48,$$ Smooth at Rs. $$63,$$ Soft at Rs. $$78$$ and Executive at Rs. $$173$$ per piece. The table below shows the numbers of each razor sold in each quarter of a year.

Quarter \ Product Elegance Smooth Soft Executive
Q1 27300 20009 17602 9999
Q2 25222 19392 18445 8942
Q3 28976 22429 19544 10234
Q4 21012 18229 16595 10109

Which product contributes the greatest fraction to the revenue of the company in that year?

A
Elegance
B
Executive
C
Smooth
D
Soft
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