Searching for "once."

Q:

In the following question, a sentence has been given in Direct/Indirect speech . Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

He told me, "Your train will leave if you do not go at once."

A) He told me that his train will leave if he did not go at once. B) He told me that my train will leave if I do not go at that moment.
C) He told me that his train would leave if he did not go that moment. D) He told me that my train would leave if I did not go that moment.
 
Answer & Explanation Answer: D) He told me that my train would leave if I did not go that moment.

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

Q:

A Cricket team of 23 people all shake hands with each other exactly once. How many hand shakes occur ?

A) 142 B) 175
C) 212 D) 253
 
Answer & Explanation Answer: D) 253

Explanation:

The first person shakes hands with 22 different people, the second person also shakes hands with 22 different people, but one of those handshakes was counted in the 22 for the first person, so the second person actually shakes hands with 21 new people. The third person, 20 people, and so on...
So,
22 + 21 + 20 + 19 + 18 + 17 + 16 + 15 + 14 + 13 + 12 + 11 + 10 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1
= n(n+1)/2 = 22 x 23 /2 = 11 x 23 = 253.

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

Group the given figures into three classes using each figure only once.

221484718956.png image

A) 5,6,9 ; 3,4,1 ; 2,7,8 B) 1,2,5 ; 3,7,8 ; 4,6,9
C) 1,7,2 ; 3,9,6 ; 4,5,8 D) 2,3,8 ; 4,6,9 ; 1,5,7
 
Answer & Explanation Answer: B) 1,2,5 ; 3,7,8 ; 4,6,9

Explanation:

1, 2, 5 are figures that have patterns formed from four lines curved in a concave direction.
3, 7, 8 are figures that have patterns formed from four lines curved in a convex direction.
4, 6, 9 are figures that have patterns formed from these straight lines.

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Filed Under: Grouping of Images
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Q:

Group the given figures into three classes using each figure only once.

3_201484718690.png image

A) 1,3,5 ; 2,4,7 ; 6,8,9 B) 1,5,7 ; 2,3,6 ; 4,8,9
C) 1,3,5 ; 2,6,7 ; 4,8,9 D) 1,6,9 ; 2,4,7 ; 3,5,8
 
Answer & Explanation Answer: D) 1,6,9 ; 2,4,7 ; 3,5,8

Explanation:

1, 6, 9 are figures which are half shaded by slanting lines.
2, 4, 7 are all divided into equal parts (either three or four parts) by straight lines and also have a black circle at the centre.
3, 5, 8 have similar designs and have their four corners shaded black.

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Filed Under: Grouping of Images
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Q:

Group the given figures into three classes using each figure only once.

7_191484718448.png image

A) 1,4,7 ; 2,6,9 ; 3,5,8 B) 1,5,7 ; 2,6,9 ; 3,4,8
C) 1,6,9 ; 2,4,7 ; 3,5,8 D) 1,4,7 ; 3,6,9 ; 2,5,8
 
Answer & Explanation Answer: A) 1,4,7 ; 2,6,9 ; 3,5,8

Explanation:

3, 5, 8 have similar designs (four leaves placed close to a small circle and forming a symmetrical design at the centre of the figure).
2, 6, 9 have similar designs (three of the corners of the main figure are shaded black and there is a pattern formed around a ‘+’ sign at the centre of the figure).
1, 4, 7 have similar designs (there are four small circles at(the corners of the main figure and there is a wheel shaped element at the centre of the figure).

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Filed Under: Grouping of Images
Exam Prep: Bank Exams , CAT
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Q:

Group the given figures into three classes using each figure only once.

   9_(1)1484718122.png image

A) 1,5,9 ; 2,7,8 ; 3,4,6 B) 2,4,9 ; 6,7,8 ; 1,3,5
C) 3,7,8 ; 4,5,9 ; 1,2,6 D) 1,5,6 ; 4,7,8 ; 2,3,9
 
Answer & Explanation Answer: B) 2,4,9 ; 6,7,8 ; 1,3,5

Explanation:

2, 4, 9 have two similar elements intersecting each other.
6, 7, 8 have two different elements one placed inside the other.
1, 3, 5 have two different elements intersecting each other.

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Filed Under: Grouping of Images
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Q:

Group the given figures into three classes using each figure only once.

A) 2,4,7 ; 1,6,9 ; 3,5,8 B) 1,3,5 ; 2,6,7 ; 4,8,9
C) 1,5,7 ; 2,3,6 ; 4,8,9 D) 1,3,5 ; 2,4,7 ; 6,8,9
 
Answer & Explanation Answer: A) 2,4,7 ; 1,6,9 ; 3,5,8

Explanation:

1,6,9 are figures which are half shaded by slanting lines.

2,4,7 are all divided into equal parts (either 3 or four parts) by straight lines and also have a black circle at the centre.

3,5,8 have similar designs and have their four corners shaded black.

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Q:

Group the given figures into three classes using each figure only once.

A) 2,4,7 ; 1,8,9 ; 3,5,6 B) 2,6,9 ; 1,5,7 ; 3,4,8
C) 2,6,7 ; 1,5,8 ; 3,4,9 D) 2,8,7 ; 1,5,9 ; 3,4,6
 
Answer & Explanation Answer: B) 2,6,9 ; 1,5,7 ; 3,4,8

Explanation:

1,5,7 contain a rectangle with its two diagonals as the outer element and another element (similar or different) placed inside it.

2,6,9 contain a triangle with its three medians as the outer element and another element (similar or different) placed inside it.

3,4,8 contain a circle with its two mutually perpendicular diameters as the outer element and another element (similar or different) placed inside it.

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Filed Under: Grouping of Images