kashi - Study24x7

kashi

12 followers study24x7

11 Jul 2020 10:03 PM 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

Class 10

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kashi

12 followers study24x7

11 Jul 2020 09:52 PM 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

Class 10

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kashi

12 followers study24x7

11 Jul 2020 09:42 PM 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...

A

42,40 gold coins

B

30,45gold cons

C

20,30 gold coins

D

12 ,15 gold coins

Class 10

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kashi

12 followers study24x7

17 Jun 2020 09:03 PM 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

Class 10

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kashi

12 followers study24x7

17 Jun 2020 08:35 PM 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

Class 10

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kashi

12 followers study24x7

08 Jun 2020 08:49 PM study24x7

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

A

16

B

13

C

12

D

23

Class 10

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kashi

12 followers study24x7

08 Jun 2020 08:42 PM 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

Class 10

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kashi

12 followers study24x7

08 Jun 2020 08:22 PM study24x7

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

A

1

B

2

C

3

D

no solution

Class 10

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kashi

12 followers study24x7

08 Jun 2020 08:17 PM 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

Class 10

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kashi

12 followers study24x7

08 Jun 2020 08:05 PM study24x7

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

A

1

B

2

C

5

D

8

Class 10

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kashi

12 followers study24x7

02 Jun 2020 08:14 PM 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?

Class 10

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kashi

12 followers study24x7

26 May 2020 07:11 PM study24x7

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

A

1

B

4

C

8

D

9

Class 10

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kashi

12 followers study24x7

26 May 2020 07:04 PM 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

Class 10

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kashi

12 followers study24x7

26 May 2020 06:58 PM study24x7

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

A

1

B

4

C

7

D

9

Class 10

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kashi

12 followers study24x7

26 May 2020 06:52 PM 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

Class 10

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kashi

12 followers study24x7

26 May 2020 06:49 PM study24x7

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

A

4

B

5

C

8

D

6

Class 10

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kashi

12 followers study24x7

26 May 2020 06:46 PM study24x7

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

A

65

B

67

C

68

D

66

Class 10

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kashi

12 followers study24x7

26 May 2020 06:43 PM study24x7

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

A

2

B

4

C

5

D

8

Class 10

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kashi

12 followers study24x7

26 May 2020 06:40 PM study24x7

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

A

3

B

4

C

6

D

8

Class 10

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kashi

12 followers study24x7

25 May 2020 10:32 PM study24x7

the unit digit of (6717)^103 is ?

A

3

B

4

C

5

D

6

Class 10

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