Instructions

For the following questions answer them individually

Question 12

The mean of 22 observations is 10. Two more observations are included and the new mean becomes 11. The mean of two new observations is

Question 14

Neelam and Manisha starting from the same place run at a rate of 7 kmph and 9 kmph respectively. What time will they take to be 12 km apart, If they walk in the same direction?

Question 15

Delhi metro covers a distance in 40 minutes, if it runs at a speed of 48 kmph on an average.Find the speed at which the train must run to reduce the time of journey to 32 minutes:

Question 16

The mean of a distribution is 13 and the standard deviation is 7. What is the value of the coefficient variation?

Question 18

Statements followed by some conclusions are given below. **Statements: **

1. Knowledge is not a skill. It is learning and experience.

2. The illiterate are not those who cannot read and write but those who cannot learn. **Conclusions:**

I. Those who cannot read and write are literate.

II. Knowledge and skill are two different things. **Find which of the given conclusions logically follows from the given statements.**

Question 19

Statements followed by some conclusions are given below. **Statements: **

1. Depleting natural resources is a major concern in our country.

2. Unless we go for renewable energy sources in a big way, increase in population being a heavy bui-den on the energy resources. will reduce the quality of life. **Conclusions:**

I. Depleting resources impacts quality of life.

II. Use of renewable energy sources is a solution to counter increase in population.Â

**Find which of the given conclusions logically follows from the given statements.**

Linear Equations
Inequalities
Quadratic Equations
Averages, Ratios & Proportions
Profit & Loss
Number Systems
Time, Distance & Work
Geometry
Progressions & Series
Probability Combinatorics
Venn Diagrams
Data Sufficiency
Logarithms, Surds & Indices
Functions, Graphs & Statistics
Miscellaneous

DI Basics
DI Charts
Data Interpretation
DI Data Change Over Period
Tables With Missing Values
DI Venn Diagrams
DI Special Charts
DI Maxima & Minima
Quant-Based DI
DI Connected Sets
DI Miscellaneous
LR Arrangement
LR Selections With Conditions
LR Coins & Weights
LR Truth & Lie
LR Puzzles
LR Scheduling
LR Games & Tournaments
2D & 3-D LR
Quant-Based LR
LR Miscellaneous