PTCB PRACTICE EXAM (MATH)
QUESTIONS WITH CORRECT AND
COMPLETE SOLUTIONS
If ba bphysician bwrites ban border bfor b400 bmL bof bD5W bto bbe binfused bover ba b4-hour
btime bperiod, band bthe bIV bdrop bfactor bis b12 bgtt/mL, bhow bmany bdrops bper bminute
bshould bbe bdelivered?
a. b12 bgtt
b. b2 bgtt
c. b1.67 bgtt
d. b20 bgtt b- bcorrect banswer✔✔20 bgtt
First bfind bthe btotal bnumber bof bminutes: b60 bX b4 b= b240. bThen bfind bmL/min: b400 b/
b240 b= b1.67 bml binfused bin b1 bminute. bThen bmultiply bthis bby bthe bdrop bfactor: b1.67
bX b12 b= b20 bdrops bper bminute.
A bdrug bsells bfor b$29.99 bretail band bhas ba bwholesale bcost bof b$19.74. bThe
bdispensing bcost bis b$3.20. bWhat bis bthe bpharmacy's bnet bprofit?
A b$10.25
B b$29.99
C b$3.20
D b$7.05 b- bcorrect banswer✔✔$7.05
Gross bprofit bis bselling bprice bminus bpurchase bprice. bFor bnet bprofit byou balso bneed
bto bsubtract bthe bdispensing bcost bas bwell.
You bare bplanning bto bprepare b600 bmL bof b20% bdextrose bsolution, bby bmixing byour
b5% band b50% bdextrose bsolution. bHow bmuch bof beach bsolution bwill bbe bneeded?
A b350 bmL bof bthe b50% band b250 bmL bof bthe b5%
B b300 bmL bof bthe b50% band b100 bmL bof bthe b5%
C b200 bmL bof bthe b50% band b400 bmL bof bthe b5%
, D b300 bmL bof bthe b50% band b300 bmL bof bthe b5% b- bcorrect banswer✔✔200 bmL bof
bthe b50% band b400 bmL bof bthe b5%
Seventy-four bdegrees bFahrenheit bis bequal bto bwhat btemperature bin bCelsius?
A b74.0
B b23.3
C b18.3
D b30.7 b- bcorrect banswer✔✔23.3
To bconvert bfrom bFahrenheit bto bCelsius, bsubtract b32 bfrom bthe bFahrenheit
btemperature band bthen bdivide bby b1.8.
An border bis bwritten bfor b500 bmL bof bNS bto binfuse bat b40 bgtt/min. bHow blong bwould bit
btake bto binfuse bthe bNS bif bthe bset bdelivers b10 bgtt/mL?
A b40 bminutes
B b125 bminutes
C b50 bminutes
D b100 bminutes b- bcorrect banswer✔✔125 bminutes
10 bgtt/mL bmeans b10 bdrops bper bmL. bSo bfor b500 bmL byou bwill bget: b10 bX b500 b=
b5,000 bdrops. bThe bflow brate bis b40 bgtt/min, bwhich bmeans b40 bdrops bper bminute, bso
bdivide btotal bdrops bby b40 bto bget bthe bnumber bof bminutes: b5,000/40 b= b125.
Convert b5.5 bkg bto bpounds.
A b1.21 blb
B b55 blb
C b12.1 blb
D b0.55 blb b- bcorrect banswer✔✔12.1 blb
A bkilogram bis bequal bto b2.2 bpounds. b5.5 bX b2.2 b= b12.1
The bpercent bequivalent bof ba b1:125 bratio bis:
A b12.5%
B b0.8%
C b8.0%
D b0.08% b- bcorrect banswer✔✔0.8%
QUESTIONS WITH CORRECT AND
COMPLETE SOLUTIONS
If ba bphysician bwrites ban border bfor b400 bmL bof bD5W bto bbe binfused bover ba b4-hour
btime bperiod, band bthe bIV bdrop bfactor bis b12 bgtt/mL, bhow bmany bdrops bper bminute
bshould bbe bdelivered?
a. b12 bgtt
b. b2 bgtt
c. b1.67 bgtt
d. b20 bgtt b- bcorrect banswer✔✔20 bgtt
First bfind bthe btotal bnumber bof bminutes: b60 bX b4 b= b240. bThen bfind bmL/min: b400 b/
b240 b= b1.67 bml binfused bin b1 bminute. bThen bmultiply bthis bby bthe bdrop bfactor: b1.67
bX b12 b= b20 bdrops bper bminute.
A bdrug bsells bfor b$29.99 bretail band bhas ba bwholesale bcost bof b$19.74. bThe
bdispensing bcost bis b$3.20. bWhat bis bthe bpharmacy's bnet bprofit?
A b$10.25
B b$29.99
C b$3.20
D b$7.05 b- bcorrect banswer✔✔$7.05
Gross bprofit bis bselling bprice bminus bpurchase bprice. bFor bnet bprofit byou balso bneed
bto bsubtract bthe bdispensing bcost bas bwell.
You bare bplanning bto bprepare b600 bmL bof b20% bdextrose bsolution, bby bmixing byour
b5% band b50% bdextrose bsolution. bHow bmuch bof beach bsolution bwill bbe bneeded?
A b350 bmL bof bthe b50% band b250 bmL bof bthe b5%
B b300 bmL bof bthe b50% band b100 bmL bof bthe b5%
C b200 bmL bof bthe b50% band b400 bmL bof bthe b5%
, D b300 bmL bof bthe b50% band b300 bmL bof bthe b5% b- bcorrect banswer✔✔200 bmL bof
bthe b50% band b400 bmL bof bthe b5%
Seventy-four bdegrees bFahrenheit bis bequal bto bwhat btemperature bin bCelsius?
A b74.0
B b23.3
C b18.3
D b30.7 b- bcorrect banswer✔✔23.3
To bconvert bfrom bFahrenheit bto bCelsius, bsubtract b32 bfrom bthe bFahrenheit
btemperature band bthen bdivide bby b1.8.
An border bis bwritten bfor b500 bmL bof bNS bto binfuse bat b40 bgtt/min. bHow blong bwould bit
btake bto binfuse bthe bNS bif bthe bset bdelivers b10 bgtt/mL?
A b40 bminutes
B b125 bminutes
C b50 bminutes
D b100 bminutes b- bcorrect banswer✔✔125 bminutes
10 bgtt/mL bmeans b10 bdrops bper bmL. bSo bfor b500 bmL byou bwill bget: b10 bX b500 b=
b5,000 bdrops. bThe bflow brate bis b40 bgtt/min, bwhich bmeans b40 bdrops bper bminute, bso
bdivide btotal bdrops bby b40 bto bget bthe bnumber bof bminutes: b5,000/40 b= b125.
Convert b5.5 bkg bto bpounds.
A b1.21 blb
B b55 blb
C b12.1 blb
D b0.55 blb b- bcorrect banswer✔✔12.1 blb
A bkilogram bis bequal bto b2.2 bpounds. b5.5 bX b2.2 b= b12.1
The bpercent bequivalent bof ba b1:125 bratio bis:
A b12.5%
B b0.8%
C b8.0%
D b0.08% b- bcorrect banswer✔✔0.8%
