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Gh from Mahatma, Ghaziabad

Subject :Sam Class : Sample

Two dice are tossed.The probability that the total score is a prime number is

It should be 4/9 how is it 5/12?

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Gh from Mahatma, Ghaziabad

Subject :Sam Class : Sample

A boy, standing at point A, throws a stone, which travels its path upto B as shown below. At the top of its path, the stone has ____.

(A) No acceleration

(B) Acceleration in upward direction

(C) Acceleration in downward direction

(D) Acceleration in horizontal direction
The acceleration should be tangential or 0 I think ,why is it downwards?

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Ansh agarwal from D.P.S, Greater Noida

Subject :Sam Class : Sample

Ali, Ben and Cate each held the handle of different sauce-pans. Ali held a wooden handle, Ben held a metal handle & Cate held a plastic handle. The teacher told them to heat the sauce-pans holding the handles. Who let go off the handle first ?

(A) Ali

(B) Ben

(C) Cate

(D) None of these
Why wood will be first put off . plastic starts melting as soon as they are heated . wood also burns but it takes a very little bit of time , But it takes more time than plastic to burn.

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Rajeev Ranjan from ,

Subject :Sam Class : Sample

On Earth, green plants are useful and needed by animals as they ____.
(i) Provide shelter.
(ii) Are food producers.
(iii) Produce oxygen.
(iv) Produce carbon dioxide.

(A) (i) & (iv)

(B) (i), (ii) & (iii)

(C) (ii), (iii) & (iv)

(D) (i), (ii), (iii) & (iv)

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ravleen from spring dale senior school, Amritsar

Subject :Sam Class : Sample

Choose one sentence to complete each dialogue.

Mother : When did you come back from the zoo? Did you like it there?

Minu : ______________.

AYes, I did
BI will think about it
CI cannot come
DNone of these

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Ans 1:

Adrija Pandey from SSRVM Bhugaon Pune, Pune

Class : Class 9

c

Ans 2:

Mannat Verma from Vivek High School , Chandigarh

Class : Class 6

No, fool! It is not A. because What about the first part of the question?

Ans 3:

Arnav kaul from Chirec, Hyderabad

Class : Class 2

Ans 4:

Satvik Agrawal from Delhi Public School, bhopal

Class : Class 5

mannat is right

Ans 5:

Aamena Shahid Ansari from Saint Xavier high school, Vapi

Class : Class 6

A. Yes, I did

Ans 6:

Vivaan Goel from Podar International School , Mumbai

Class : Class 7

You know,I think it is none of these as there needs to be an answer to both the questions asked or else it sounds rude.

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jaikarsai from sri kumarans children home, Bengaluru

Subject :Rea Class : Class 7

If 'DELHI' can be coded as 'CCIDD', then how would you code 'BOMBAY'?

AAJMTVT
BAMJXVS
CMJXVSU
DWXYZAX

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Saket Parmar from kendriya vidyalaya no. 2 gcf, Jabalpur

Subject :Sam Class : Sample

If the HCF of 210 and 55 is expressible in the form 210 × 5 + 55y, find y.

A5
B-15
C14
D-19

solution

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Prashanth Kanchan from Sharada Vidyaniketheana, Mangalore

Subject :Sam Class : Sample

An artist is designing a pattern of triangular tiles to cover a wall. Each section of the pattern is identical to the section shown here. If the wall is 576 cm long and 384 cm high, how many black tiles will the artist need to use on the wall ?

(A) 72

(B) 576

(C) 1,152

(D) 1,728

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Ans 1:

Vinayak from Bhavan Vidyalaya , Panchkula

Class : Class 10

Ans 2:

Frank Zhang from Navy Children School, New Delhi

Class : Class 9

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Hardik Mittal from Jankidas kapur public school, Sonipat

Subject :Rea Class : Class 4

Mohit, Rohit, Tanuj, Varun and Amit are comparing what flavours of milkshake they like.

• Mohit, Tanuj and Amit are the only who likes vanilla milkshake.
• Rohit is the only one who dislikes strawberry milkshake.
• Varun's favourite is chocolate milkshake.
• Everyone except Tanuj likes banana milkshake.
• The only child who does not like chocolate milkshake is Mohit.

Who likes the least flavours of milkshake?

(NCO 2014)

AAmit
BVarun
CMohit
DRohit