SSC CGL 2015 : Reasoning Quiz On Alphabetical Series

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
1.  bms_tvb_sut_bm_u_vbmsutv
a) vustm
b) uvstm
c) umvst
d) mvuts

2.  a_cdaab_cc_daa_bbb_ccddd

a) dbbca
b) bbdac
c) bdbda
d) bddca
3.  _bas_asb_s_a_ba
a) sbaba
b) sabbs
c) sbabs
d) bsabs
4.  a_bba_bba_bb
a) aaa
b) bab
c) bba
d) bbb
5.  _aba_abaa_baa_ba
a) bbbb
b) abbb
c) aaaa
d) baaa
6.  _aa_a_baaa_b
a) baba
b) bbaa
c) baab
d) babb
7.  r_mmar_am_arr_ _mar
a) ramma
b) mramr
c) armam
d) aramr
8.  aab_aa_bbb_aaa_bbb
a) abba
b) baab
c) aaab
d) abab
9.  nmmn_mmnn_mnnm_ _
a) nnmm
b) nmnm
c) mnnm
d) nmmn
10.  abb_accaa_baa_caab_a
a) accb
b) abac
c) accc
d) abcb

ANSWER KEY : 1- (C),2- (B), 3-  (C), 4- (A),5- (C),6- ( A), 7-  (C),8- (B),9- (D),10- (D).

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195 Comments

  1. A jar full of whisky contains 40% alcohol. A part of this whisky is replaced by another containing 19% alcohol and now the percentage of alcohol was found to be 26%. The quantity of whisky replaced is:

    A. 1/3

    B. 2/3

    C. 2/5

    D. 3/5

  2. .A rectangular block 6 cm by 12 cm by 15 cm is cut up into an exact number of equal cubes. Find the least possible number of cubes

  3. If area of an incircle of a square is 9π cm2, then what will be the area of the square ?
    A) 24
    B) 30
    C) 36
    D) 81

  4. 64 equal small solid spheres are made by melting a solid sphere of radius 8 cm. The ratio of surface areas of this sphere to a small sphere will be :

  5. a boat went downstream for 350 km and immediately retrned..it took the boat 16 hors to complete the round trip..if the speed of river was twice the normal the trip downstream and upstream would take 20 hours what is the speed of boat in still water???????

  6. A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:

  7. 350/(x+y) +350/(x-y) ==16 350/(x+2y )+ 350/(x-2y)==20solve them for x nad y…………..

  8. this is the only method i think
    dusre method to wizard he bata sakta hai !!

  9. In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is

  10. hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

  11. 50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 , then the rise in the water level in the tank will be:

  12. A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

  13. A metallic hemisphere is melted and recast in the shape of a cone with the same base radius (R) as that of the hemisphere. If H is the height of the cone
    A.H=2R
    B.H=2/3R
    C.H=√3R
    D.B=3R

  14. A conical vessel whose internal radius is 12 cm and height 50 cm is full of liquid. The contents are emptied into a cylindrical vessel with radius (internal) 10 cm. The height to which the liquid rises in the cylindrical vessel is-
    A.25 cm
    B.20 cm
    C.24 cm
    D.22 cm

  15. Two right circular cylinders of equal volume have their heights in the ratio 1:2. The ratio of their radii is:
    A.√(2:1)
    B.2:1
    C.1:2
    D.1:4

  16. . If the radius of a sphere is increased by 2 cm, its surface area is increased by 352 cm2. The radius of sphere before change is(use π = 22/7)
    A.3 cm
    B.4 cm
    C.5 cm
    D.6 cm

  17. A cylindrical tank of diameter 35 cm is full of water. If 11 litres of water is drawn off, the water level in the tank will drop by-
    A.21/2 cm
    B.90/7 cm
    C.14 cm
    D.80/7 cm

  18. The length of the diagonal of a square is ‘a’cm. Which of the following represents the area of the square (in sq. cm.)?
    A.2a
    B.a/√2
    C.a2/2
    D.a2/4

  19. If each edge of a cube is increased by 50%, find the percentage increase in Its surface area
    A) 125%
    B) 150%
    C) 175%
    D) 110%

  20. Two cones have their heights in the ratio 1:3 and the radii of their bases in the ratio 3:1. Find the ratio of their volumes.

  21. The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

  22. The volume of a rectangular solid is to be increased by 50% without altering its base. To what extent the height of the solid must be changed.
    A) 50%
    B) 40%
    C) 30%
    D) 20%

  23. A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
    A) 2 : 1
    B) 3 : 2
    C) 25 : 18
    D) 27 : 20

  24. What is the ratio between the volumes of a cylinder and cone of the same height and of the same diameter
    A) 2:1
    B) 3:1
    C) 4:1
    D) 5:1

  25. .He participated (a) / in many a stage dramas (b) / during his college., (c) / No error (d)

  26. Correct: I told this news to my father.

    News is a singular uncountable noun. Therefore it has to be used with a singular determiner.

  27. Two lakhs of people /(a) attended the meeting/(b) held in Parade grounds./(c) No error./(d)

  28. (a)
    Explanation: Change lakhs into lakh. Hundred, thousand, lakh etc are used singular after numbers.

  29. The families /(a) are living in Gulmohar Park / (b) for the last two decades./(c) No error./ (d)

  30. (b)
    Explanation: Change are living into have been living continuous + since / for + Unit of time are the features of perfect continuous tense.

  31. Plz explain shortcut for dese type of questions…counting and den forming pairs soethng like dat…i dnt knw it fully

  32. vol= pi r^2 h
    11 lit = 11000 cm^3
    11000 = pi * 17.5 * 17.5 * h
    h = 11.4 cm
    water level in the tank will drop by 11.4cm

  33. vol= pi r^2 h
    11 lit = 11000 cm^3
    11000 = pi * 17.5 * 17.5 * h
    h = 11.4 cm
    water level in the tank will drop by 11.4cm.

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