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(vi) Ages—Basic Rule—There is no age difference between two characters in any age of life when
time differs.
Ex—Q. A father is twice the age of his daughter after ten years the age of the father would be
to what would be the difference between their ages ?
Q. Sum of Ages of two brothers is 45 one brother is elder to other by 7 years. What are their
respective ages ?
(vii) Coding—Coding is a language in which original word is coded and each letter is coded
differently to make a different word by following methods.
(a) Sucreating order—Ex—A boy is coded as CPZ then how would you code the word girl ?
Ans. HJSM.
(b) Preceding order—A boy is coded as ANX and how would you code the word girl ?
(c) Reverse Order—A boy is coded as you and code the word girl in the same order.
(d) Two or three words gap following the original letter.
(e) Two or three letters following the original letter.
Ex—A boy is coded as CDPQZA then code the word girl.
Ex—If love is coded as MNPQWXFG then code the word girl.
(xiii) Profit, Losses and Expenditure—A person goes out with certain amount in his pocket, he
spends 50% on his lunch and another 50% on the dinner, finally he uses left with Rs. 25 and 75
naya paisa.
(ix) Sense of direction, speed and distance—(i) Use of Pythagoras theorem.
Ex—Mr. X travels 8 km in north and then turns to right (east) and travels 4 km then he ends his
journey how far he is from starting points ?
Q. A person drives his car and crosses the electrical poles in one minute the distance between
two poles is 10 meter only what is the speed of the car ?
Ans. 59·4 km/hour.
Q. A person goes from his residence to office at speed of 3 kms per hour, reaches late by 8
minutes and if he increases his speed 4 km per hour, he reaches his office early by 2 minutes ?
X 5 x 2
Solution— – = +
3 10 4 60
Ans. 1·4 km
(x) Blood Relations—In this type of question a hidden blood relation to be found out by picking
up the right in the first line user by three choices given and finally this is connected to the right
choice by the three choices given there.
Non-Verbal Dices
Rule No. 1 Two Dices In case of two dices when two faces are common the
3 1 remaining faces are opposite to each other ∴ 3 × 4
1S S4

Rule No. II Two Dices In case of two dices when one face is common and its
2 4 position is also same the remaining corresponding forces are
opposite to each other 2 × 4 × 3 × 5, 1 × 6.
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