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Refer to the following series and answer the question that follows (all numbers are single digit numbers only). Counting to be done from left to right only.
(Left) 5 1 3 8 4 5 1 6 3 7 1 9 2 5 9 4 8 5 5 3 1 2 2 1 6 2 8 (Right)
How many such odd numbers are there each of which is immediately preceded by an odd number and also immediately followed by an even number?15

What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘ ÷ ‘ are interchanged and ‘ - ’ and ‘ x ’ are interchanged?
312 + 6 x 5 - 32 ÷ 300 = ?

If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation?
12 C 16 B 15 A 8 D 14 = ?

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statement(s).
Statements:
Some teachers are writers.
All writers are professionals.
Conclusions: (I) Some professionals are teachers. (II) All teachers are professionals.

Roshan ranked 54th from the top and 18th from the bottom in his class. How many students are there in his class?

What should come in place of the question mark (?) in the given series? 5 7 11 19 ? 67

Rahul starts from Point A and drives 9 km towards North. He then takes a right turn, drives 6 km, turns right and drives 14 km. He then takes a right turn and drives 9 km. He takes a final right turn, drives 5 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90 degrees turns only unless specified)

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
All fruits are candies.
All fruits are sprouts.
Conclusions: (I): Some candies are sprouts. (II): All sprouts are fruits.

In a certain code language, ‘ROUT’ is coded as ‘1625’ and ‘AUTO’ is coded as ‘1546’. What is the code for ‘A’ in the given code language?

Refer to the given number, symbol series and answer the question that follows. Counting to be done from left to right only. All numbers are single-digit numbers.
(Left) $ 9 $ 6 7 8 £ 5 1 8 2 £ 9 3 4 6 9 # 8 8 7 7 (Right)
How many such numbers are there, each of which is immediately preceded by a symbol and also immediately followed by a symbol?