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Class 10
12 followers study24x7 11 Jul 2020 10:03 PM study24x7 study24x7

If Joseph gets 71 on his next test, his average will will be 83 . If he gets 99, his average will be 87. How many tests has Joseph taken?

A

4

B

6

C

8

D

7

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12 followers study24x7 11 Jul 2020 09:52 PM study24x7 study24x7

If the pair  of equation 4x+py+8=0 and 2x+2y+2=0 has unique  solution  then the value  of p is 

A

P=4

B

P=2

C

For all values of p except 2

D

For all values of p except 4

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12 followers study24x7 11 Jul 2020 09:42 PM study24x7 study24x7

A wizard having powers of mystic in conditions  and magical medicine seeing  a cock fight  going  on, spoke  privately to both the owners of cocks.  To one he said,"if your bird wins ,then we give me your stake money,  but if u don't win, I shal...

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A

42,40 gold coins

B

30,45gold cons

C

20,30 gold coins

D

12 ,15 gold coins 

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12 followers study24x7 17 Jun 2020 09:03 PM study24x7 study24x7

Let α and β be the zeroes of the cubic polynomial x3 + ax2+ bx + c satisfying the relation αβ+1= 0 then c2 + ac + b +1=.....?

A

0

B

1

C

2

D

3

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12 followers study24x7 17 Jun 2020 08:35 PM study24x7 study24x7

one fourth of herd of goats was seen in the forest .Twice the square root of the number of the herd had gone up the hill and the remaining 15 goats were on the bank of river . find the total number of goats.

A

36

B

56

C

67

D

6

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12 followers study24x7 08 Jun 2020 08:49 PM study24x7 study24x7

if x be real, find the maximum value of 7 +10x-5x^2 ?

A

16

B

13

C

12

D

23

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12 followers study24x7 08 Jun 2020 08:42 PM study24x7 study24x7

if a and b are the roots of the equation x^2 -p(x+1) - q =0 then value of (a^2 +2a+1) /(a^2+2a+q) + (b^2 + 2b+1)/(b^2+2b+q) is

A

1

B

2

C

4

D

9

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12 followers study24x7 08 Jun 2020 08:22 PM study24x7 study24x7

If x- 2/x-1 =1- 2/x-1, then number of solution is;

A

1

B

2

C

3

D

no solution

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12 followers study24x7 08 Jun 2020 08:17 PM study24x7 study24x7

If p(x) =x^3 -3x^2 +2x+5 and P(a)=P(b)=P(c)=0 then the value of (2-a)(2-b)(2-c) is ?

A

2

B

3

C

5

D

4

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12 followers study24x7 08 Jun 2020 08:05 PM study24x7 study24x7

If a^3 +b^3 -1 +3ab =0 then find the value of a+b= ?

A

1

B

2

C

5

D

8

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12 followers study24x7 02 Jun 2020 08:14 PM study24x7 study24x7

A garden has 48 guava trees, 60 pineapple trees, and 96 mango trees.These have to be arranged in rows such that each row has same numbers of trees and all are of same type, Find the minimum number of such rows that can be formed?

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12 followers study24x7 26 May 2020 07:11 PM study24x7 study24x7

(6)Find the unit digit  (19)^2013  +(11)^2013  -(6)^2013?

A

1

B

4

C

8

D

9

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12 followers study24x7 26 May 2020 07:04 PM study24x7 study24x7

If his natural  no. Then find the remainder   when (37)^n+2  +(16)^n+1  +30^n is divided  by7?

A

1

B

0

C

7

D

8

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12 followers study24x7 26 May 2020 06:58 PM study24x7 study24x7

The unit digit of (1+9+9^2+9^3+..........+9^2006)is?

A

1

B

4

C

7

D

9

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12 followers study24x7 26 May 2020 06:52 PM study24x7 study24x7

Find the remainder  when  7^21+7^22+7^23+7^24 is divided by 25?

A

0

B

12

C

6

D

9

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12 followers study24x7 26 May 2020 06:49 PM study24x7 study24x7

What  is the unit digit  in  7^95-3^58?

A

4

B

5

C

8

D

6

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12 followers study24x7 26 May 2020 06:46 PM study24x7 study24x7

What will be the remainder  when 67^67+67 is divided by 68?

A

65

B

67

C

68

D

66

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12 followers study24x7 26 May 2020 06:43 PM study24x7 study24x7

Find the remainder when  2^89 is divided by 89 ?

A

2

B

4

C

5

D

8

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12 followers study24x7 26 May 2020 06:40 PM study24x7 study24x7

The remainder  when 17^15 is divided by 9 is ?

A

3

B

4

C

6

D

8

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12 followers study24x7 25 May 2020 10:32 PM study24x7 study24x7

the unit digit of (6717)^103 is ?

A

3

B

4

C

5

D

6

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